Finding the Third Proportional to 40,243.50 and 59,889.38

Step by Step Solution

1. Step 1: Write the proportion equation
   40,243.50 : 59,889.38 = 59,889.38 : x
2. Step 2: Convert to fraction form
   40,243.50/59,889.38 = 59,889.38/x
3. Step 3: Cross multiply
   40,243.50x = 59,889.38 × 59,889.38
4. Step 4: Simplify right side
   40,243.50x = 3,586,737,237.89
5. Step 5: Solve for x
   x = 3,586,737,237.89/40,243.50
6. Step 6: Final answer
   x = 89,125.88