Finding the Third Proportional to 13,350 and 31,188

Step by Step Solution

1. Step 1: Write the proportion equation
   13,350 : 31,188 = 31,188 : x
2. Step 2: Convert to fraction form
   13,350/31,188 = 31,188/x
3. Step 3: Cross multiply
   13,350x = 31,188 × 31,188
4. Step 4: Simplify right side
   13,350x = 972,691,344
5. Step 5: Solve for x
   x = 972,691,344/13,350
6. Step 6: Final answer
   x = 72,860.77