Finding the Third Proportional to 118,449 and 156,505

Step by Step Solution

1. Step 1: Write the proportion equation
   118,449 : 156,505 = 156,505 : x
2. Step 2: Convert to fraction form
   118,449/156,505 = 156,505/x
3. Step 3: Cross multiply
   118,449x = 156,505 × 156,505
4. Step 4: Simplify right side
   118,449x = 24,493,815,025
5. Step 5: Solve for x
   x = 24,493,815,025/118,449
6. Step 6: Final answer
   x = 206,787.86