Finding the Third Proportional to 87,337.50 and 187,140

Step by Step Solution

1. Step 1: Write the proportion equation
   87,337.50 : 187,140 = 187,140 : x
2. Step 2: Convert to fraction form
   87,337.50/187,140 = 187,140/x
3. Step 3: Cross multiply
   87,337.50x = 187,140 × 187,140
4. Step 4: Simplify right side
   87,337.50x = 35,021,379,600
5. Step 5: Solve for x
   x = 35,021,379,600/87,337.50
6. Step 6: Final answer
   x = 400,989.03