Finding the Third Proportional to 39,411 and 57,964.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,411 : 57,964.50 = 57,964.50 : x
2. Step 2: Convert to fraction form
   39,411/57,964.50 = 57,964.50/x
3. Step 3: Cross multiply
   39,411x = 57,964.50 × 57,964.50
4. Step 4: Simplify right side
   39,411x = 3,359,883,260.25
5. Step 5: Solve for x
   x = 3,359,883,260.25/39,411
6. Step 6: Final answer
   x = 85,252.42