Finding the Third Proportional to 13,397.91 and 31,152.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,397.91 : 31,152.09 = 31,152.09 : x
2. Step 2: Convert to fraction form
   13,397.91/31,152.09 = 31,152.09/x
3. Step 3: Cross multiply
   13,397.91x = 31,152.09 × 31,152.09
4. Step 4: Simplify right side
   13,397.91x = 970,452,945.01
5. Step 5: Solve for x
   x = 970,452,945.01/13,397.91
6. Step 6: Final answer
   x = 72,433.18