Finding the Third Proportional to 14,250 and 31,240.50

Step by Step Solution

1. Step 1: Write the proportion equation
   14,250 : 31,240.50 = 31,240.50 : x
2. Step 2: Convert to fraction form
   14,250/31,240.50 = 31,240.50/x
3. Step 3: Cross multiply
   14,250x = 31,240.50 × 31,240.50
4. Step 4: Simplify right side
   14,250x = 975,968,840.25
5. Step 5: Solve for x
   x = 975,968,840.25/14,250
6. Step 6: Final answer
   x = 68,489.04