Finding the Third Proportional to 39,660.50 and 58,392.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,660.50 : 58,392.75 = 58,392.75 : x
2. Step 2: Convert to fraction form
   39,660.50/58,392.75 = 58,392.75/x
3. Step 3: Cross multiply
   39,660.50x = 58,392.75 × 58,392.75
4. Step 4: Simplify right side
   39,660.50x = 3,409,713,252.56
5. Step 5: Solve for x
   x = 3,409,713,252.56/39,660.50
6. Step 6: Final answer
   x = 85,972.52