Finding the Third Proportional to 112,561 and 240,188

Step by Step Solution

1. Step 1: Write the proportion equation
   112,561 : 240,188 = 240,188 : x
2. Step 2: Convert to fraction form
   112,561/240,188 = 240,188/x
3. Step 3: Cross multiply
   112,561x = 240,188 × 240,188
4. Step 4: Simplify right side
   112,561x = 57,690,275,344
5. Step 5: Solve for x
   x = 57,690,275,344/112,561
6. Step 6: Final answer
   x = 512,524.55