Finding the Third Proportional to 39,055.50 and 58,488.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,055.50 : 58,488.75 = 58,488.75 : x
2. Step 2: Convert to fraction form
   39,055.50/58,488.75 = 58,488.75/x
3. Step 3: Cross multiply
   39,055.50x = 58,488.75 × 58,488.75
4. Step 4: Simplify right side
   39,055.50x = 3,420,933,876.56
5. Step 5: Solve for x
   x = 3,420,933,876.56/39,055.50
6. Step 6: Final answer
   x = 87,591.60