Finding the Third Proportional to 85,466,166 and 173,952,762

Step by Step Solution

1. Step 1: Write the proportion equation
   85,466,166 : 173,952,762 = 173,952,762 : x
2. Step 2: Convert to fraction form
   85,466,166/173,952,762 = 173,952,762/x
3. Step 3: Cross multiply
   85,466,166x = 173,952,762 × 173,952,762
4. Step 4: Simplify right side
   85,466,166x = 30,259,563,407,428,644
5. Step 5: Solve for x
   x = 30,259,563,407,428,644/85,466,166
6. Step 6: Final answer
   x = 354,053,127.96