Finding the Third Proportional to 82,413,442 and 171,608,836

Step by Step Solution

1. Step 1: Write the proportion equation
   82,413,442 : 171,608,836 = 171,608,836 : x
2. Step 2: Convert to fraction form
   82,413,442/171,608,836 = 171,608,836/x
3. Step 3: Cross multiply
   82,413,442x = 171,608,836 × 171,608,836
4. Step 4: Simplify right side
   82,413,442x = 29,449,592,593,274,896
5. Step 5: Solve for x
   x = 29,449,592,593,274,896/82,413,442
6. Step 6: Final answer
   x = 357,339,675.16