Finding the Third Proportional to 13,653,050,403,447 and 19,726,300,116,213

Step by Step Solution

1. Step 1: Write the proportion equation
   13,653,050,403,447 : 19,726,300,116,213 = 19,726,300,116,213 : x
2. Step 2: Convert to fraction form
   13,653,050,403,447/19,726,300,116,213 = 19,726,300,116,213/x
3. Step 3: Cross multiply
   13,653,050,403,447x = 19,726,300,116,213 × 19,726,300,116,213
4. Step 4: Simplify right side
   13,653,050,403,447x = 389,126,916,274,904,998,900,400,128
5. Step 5: Solve for x
   x = 389,126,916,274,904,998,900,400,128/13,653,050,403,447
6. Step 6: Final answer
   x = 28,501,097,174,347.33