Finding the Third Proportional to 56,626.50 and 124,170

Step by Step Solution

1. Step 1: Write the proportion equation
   56,626.50 : 124,170 = 124,170 : x
2. Step 2: Convert to fraction form
   56,626.50/124,170 = 124,170/x
3. Step 3: Cross multiply
   56,626.50x = 124,170 × 124,170
4. Step 4: Simplify right side
   56,626.50x = 15,418,188,900
5. Step 5: Solve for x
   x = 15,418,188,900/56,626.50
6. Step 6: Final answer
   x = 272,278.68