Finding the Third Proportional to 14,431.50 and 31,323.75

Step by Step Solution

1. Step 1: Write the proportion equation
   14,431.50 : 31,323.75 = 31,323.75 : x
2. Step 2: Convert to fraction form
   14,431.50/31,323.75 = 31,323.75/x
3. Step 3: Cross multiply
   14,431.50x = 31,323.75 × 31,323.75
4. Step 4: Simplify right side
   14,431.50x = 981,177,314.06
5. Step 5: Solve for x
   x = 981,177,314.06/14,431.50
6. Step 6: Final answer
   x = 67,988.59