Finding the Third Proportional to 14,375.25 and 31,412.25

Step by Step Solution

1. Step 1: Write the proportion equation
   14,375.25 : 31,412.25 = 31,412.25 : x
2. Step 2: Convert to fraction form
   14,375.25/31,412.25 = 31,412.25/x
3. Step 3: Cross multiply
   14,375.25x = 31,412.25 × 31,412.25
4. Step 4: Simplify right side
   14,375.25x = 986,729,450.06
5. Step 5: Solve for x
   x = 986,729,450.06/14,375.25
6. Step 6: Final answer
   x = 68,640.85