Finding the Third Proportional to 38,880 and 56,200.50

Step by Step Solution

1. Step 1: Write the proportion equation
   38,880 : 56,200.50 = 56,200.50 : x
2. Step 2: Convert to fraction form
   38,880/56,200.50 = 56,200.50/x
3. Step 3: Cross multiply
   38,880x = 56,200.50 × 56,200.50
4. Step 4: Simplify right side
   38,880x = 3,158,496,200.25
5. Step 5: Solve for x
   x = 3,158,496,200.25/38,880
6. Step 6: Final answer
   x = 81,237.04