Finding the Third Proportional to 13,281.50 and 31,307.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,281.50 : 31,307.75 = 31,307.75 : x
2. Step 2: Convert to fraction form
   13,281.50/31,307.75 = 31,307.75/x
3. Step 3: Cross multiply
   13,281.50x = 31,307.75 × 31,307.75
4. Step 4: Simplify right side
   13,281.50x = 980,175,210.06
5. Step 5: Solve for x
   x = 980,175,210.06/13,281.50
6. Step 6: Final answer
   x = 73,800.04