Finding the Third Proportional to 13,461.75 and 31,285.13

Step by Step Solution

1. Step 1: Write the proportion equation
   13,461.75 : 31,285.13 = 31,285.13 : x
2. Step 2: Convert to fraction form
   13,461.75/31,285.13 = 31,285.13/x
3. Step 3: Cross multiply
   13,461.75x = 31,285.13 × 31,285.13
4. Step 4: Simplify right side
   13,461.75x = 978,759,046.27
5. Step 5: Solve for x
   x = 978,759,046.27/13,461.75
6. Step 6: Final answer
   x = 72,706.67