Finding the Third Proportional to 113,899 and 173,657

Step by Step Solution

1. Step 1: Write the proportion equation
   113,899 : 173,657 = 173,657 : x
2. Step 2: Convert to fraction form
   113,899/173,657 = 173,657/x
3. Step 3: Cross multiply
   113,899x = 173,657 × 173,657
4. Step 4: Simplify right side
   113,899x = 30,156,753,649
5. Step 5: Solve for x
   x = 30,156,753,649/113,899
6. Step 6: Final answer
   x = 264,767.50