Finding the Third Proportional to 17,728,128 and 38,104,272

Step by Step Solution

1. Step 1: Write the proportion equation
   17,728,128 : 38,104,272 = 38,104,272 : x
2. Step 2: Convert to fraction form
   17,728,128/38,104,272 = 38,104,272/x
3. Step 3: Cross multiply
   17,728,128x = 38,104,272 × 38,104,272
4. Step 4: Simplify right side
   17,728,128x = 1,451,935,544,649,984
5. Step 5: Solve for x
   x = 1,451,935,544,649,984/17,728,128
6. Step 6: Final answer
   x = 81,900,105.00