Finding the Third Proportional to 56,664 and 124,200

Step by Step Solution

1. Step 1: Write the proportion equation
   56,664 : 124,200 = 124,200 : x
2. Step 2: Convert to fraction form
   56,664/124,200 = 124,200/x
3. Step 3: Cross multiply
   56,664x = 124,200 × 124,200
4. Step 4: Simplify right side
   56,664x = 15,425,640,000
5. Step 5: Solve for x
   x = 15,425,640,000/56,664
6. Step 6: Final answer
   x = 272,229.99