Finding the Third Proportional to 31,788,365 and 68,658,588

Step by Step Solution

1. Step 1: Write the proportion equation
   31,788,365 : 68,658,588 = 68,658,588 : x
2. Step 2: Convert to fraction form
   31,788,365/68,658,588 = 68,658,588/x
3. Step 3: Cross multiply
   31,788,365x = 68,658,588 × 68,658,588
4. Step 4: Simplify right side
   31,788,365x = 4,714,001,706,153,744
5. Step 5: Solve for x
   x = 4,714,001,706,153,744/31,788,365
6. Step 6: Final answer
   x = 148,293,304.99