Finding the Third Proportional to 40,587 and 60,715.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,587 : 60,715.50 = 60,715.50 : x
2. Step 2: Convert to fraction form
   40,587/60,715.50 = 60,715.50/x
3. Step 3: Cross multiply
   40,587x = 60,715.50 × 60,715.50
4. Step 4: Simplify right side
   40,587x = 3,686,371,940.25
5. Step 5: Solve for x
   x = 3,686,371,940.25/40,587
6. Step 6: Final answer
   x = 90,826.42