Finding the Third Proportional to 13,861.13 and 31,569.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,861.13 : 31,569.75 = 31,569.75 : x
2. Step 2: Convert to fraction form
   13,861.13/31,569.75 = 31,569.75/x
3. Step 3: Cross multiply
   13,861.13x = 31,569.75 × 31,569.75
4. Step 4: Simplify right side
   13,861.13x = 996,649,115.06
5. Step 5: Solve for x
   x = 996,649,115.06/13,861.13
6. Step 6: Final answer
   x = 71,902.47