Finding the Third Proportional to 56,474 and 87,500

Step by Step Solution

1. Step 1: Write the proportion equation
   56,474 : 87,500 = 87,500 : x
2. Step 2: Convert to fraction form
   56,474/87,500 = 87,500/x
3. Step 3: Cross multiply
   56,474x = 87,500 × 87,500
4. Step 4: Simplify right side
   56,474x = 7,656,250,000
5. Step 5: Solve for x
   x = 7,656,250,000/56,474
6. Step 6: Final answer
   x = 135,571.24