Finding the Third Proportional to 117,205,704 and 172,300,608

Step by Step Solution

1. Step 1: Write the proportion equation
   117,205,704 : 172,300,608 = 172,300,608 : x
2. Step 2: Convert to fraction form
   117,205,704/172,300,608 = 172,300,608/x
3. Step 3: Cross multiply
   117,205,704x = 172,300,608 × 172,300,608
4. Step 4: Simplify right side
   117,205,704x = 29,687,499,517,169,664
5. Step 5: Solve for x
   x = 29,687,499,517,169,664/117,205,704
6. Step 6: Final answer
   x = 253,293,982.32