Finding the Third Proportional to 83,499,680 and 172,727,116

Step by Step Solution

1. Step 1: Write the proportion equation
   83,499,680 : 172,727,116 = 172,727,116 : x
2. Step 2: Convert to fraction form
   83,499,680/172,727,116 = 172,727,116/x
3. Step 3: Cross multiply
   83,499,680x = 172,727,116 × 172,727,116
4. Step 4: Simplify right side
   83,499,680x = 29,834,656,601,677,456
5. Step 5: Solve for x
   x = 29,834,656,601,677,456/83,499,680
6. Step 6: Final answer
   x = 357,302,645.97