Finding the Third Proportional to 12,909,216 and 27,810,148

Step by Step Solution

1. Step 1: Write the proportion equation
   12,909,216 : 27,810,148 = 27,810,148 : x
2. Step 2: Convert to fraction form
   12,909,216/27,810,148 = 27,810,148/x
3. Step 3: Cross multiply
   12,909,216x = 27,810,148 × 27,810,148
4. Step 4: Simplify right side
   12,909,216x = 773,404,331,781,904
5. Step 5: Solve for x
   x = 773,404,331,781,904/12,909,216
6. Step 6: Final answer
   x = 59,911,022.62