Finding the Third Proportional to 14,276.25 and 31,399.88

Step by Step Solution

1. Step 1: Write the proportion equation
   14,276.25 : 31,399.88 = 31,399.88 : x
2. Step 2: Convert to fraction form
   14,276.25/31,399.88 = 31,399.88/x
3. Step 3: Cross multiply
   14,276.25x = 31,399.88 × 31,399.88
4. Step 4: Simplify right side
   14,276.25x = 985,952,150.02
5. Step 5: Solve for x
   x = 985,952,150.02/14,276.25
6. Step 6: Final answer
   x = 69,062.40