Finding the Third Proportional to 38,280.09 and 57,454.31

Step by Step Solution

1. Step 1: Write the proportion equation
   38,280.09 : 57,454.31 = 57,454.31 : x
2. Step 2: Convert to fraction form
   38,280.09/57,454.31 = 57,454.31/x
3. Step 3: Cross multiply
   38,280.09x = 57,454.31 × 57,454.31
4. Step 4: Simplify right side
   38,280.09x = 3,300,998,024.85
5. Step 5: Solve for x
   x = 3,300,998,024.85/38,280.09
6. Step 6: Final answer
   x = 86,232.76