Finding the Third Proportional to 13,366.50 and 31,512.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,366.50 : 31,512.75 = 31,512.75 : x
2. Step 2: Convert to fraction form
   13,366.50/31,512.75 = 31,512.75/x
3. Step 3: Cross multiply
   13,366.50x = 31,512.75 × 31,512.75
4. Step 4: Simplify right side
   13,366.50x = 993,053,412.56
5. Step 5: Solve for x
   x = 993,053,412.56/13,366.50
6. Step 6: Final answer
   x = 74,294.20