Finding the Third Proportional to 31,799,666 and 68,635,264

Step by Step Solution

1. Step 1: Write the proportion equation
   31,799,666 : 68,635,264 = 68,635,264 : x
2. Step 2: Convert to fraction form
   31,799,666/68,635,264 = 68,635,264/x
3. Step 3: Cross multiply
   31,799,666x = 68,635,264 × 68,635,264
4. Step 4: Simplify right side
   31,799,666x = 4,710,799,464,349,696
5. Step 5: Solve for x
   x = 4,710,799,464,349,696/31,799,666
6. Step 6: Final answer
   x = 148,139,903.87