Finding the Third Proportional to 74,376 and 113,308.75

Step by Step Solution

1. Step 1: Write the proportion equation
   74,376 : 113,308.75 = 113,308.75 : x
2. Step 2: Convert to fraction form
   74,376/113,308.75 = 113,308.75/x
3. Step 3: Cross multiply
   74,376x = 113,308.75 × 113,308.75
4. Step 4: Simplify right side
   74,376x = 12,838,872,826.56
5. Step 5: Solve for x
   x = 12,838,872,826.56/74,376
6. Step 6: Final answer
   x = 172,621.18