Finding the Third Proportional to 39,517.50 and 55,584

Step by Step Solution

1. Step 1: Write the proportion equation
   39,517.50 : 55,584 = 55,584 : x
2. Step 2: Convert to fraction form
   39,517.50/55,584 = 55,584/x
3. Step 3: Cross multiply
   39,517.50x = 55,584 × 55,584
4. Step 4: Simplify right side
   39,517.50x = 3,089,581,056
5. Step 5: Solve for x
   x = 3,089,581,056/39,517.50
6. Step 6: Final answer
   x = 78,182.60