Finding the Third Proportional to 39,929.50 and 59,889.25

Step by Step Solution

1. Step 1: Write the proportion equation
   39,929.50 : 59,889.25 = 59,889.25 : x
2. Step 2: Convert to fraction form
   39,929.50/59,889.25 = 59,889.25/x
3. Step 3: Cross multiply
   39,929.50x = 59,889.25 × 59,889.25
4. Step 4: Simplify right side
   39,929.50x = 3,586,722,265.56
5. Step 5: Solve for x
   x = 3,586,722,265.56/39,929.50
6. Step 6: Final answer
   x = 89,826.38