Finding the Third Proportional to 118,445 and 156,499

Step by Step Solution

1. Step 1: Write the proportion equation
   118,445 : 156,499 = 156,499 : x
2. Step 2: Convert to fraction form
   118,445/156,499 = 156,499/x
3. Step 3: Cross multiply
   118,445x = 156,499 × 156,499
4. Step 4: Simplify right side
   118,445x = 24,491,937,001
5. Step 5: Solve for x
   x = 24,491,937,001/118,445
6. Step 6: Final answer
   x = 206,778.99