Finding the Third Proportional to 31,816 and 43,188

Step by Step Solution

1. Step 1: Write the proportion equation
   31,816 : 43,188 = 43,188 : x
2. Step 2: Convert to fraction form
   31,816/43,188 = 43,188/x
3. Step 3: Cross multiply
   31,816x = 43,188 × 43,188
4. Step 4: Simplify right side
   31,816x = 1,865,203,344
5. Step 5: Solve for x
   x = 1,865,203,344/31,816
6. Step 6: Final answer
   x = 58,624.70