Finding the Third Proportional to 56,700 and 124,308

Step by Step Solution

1. Step 1: Write the proportion equation
   56,700 : 124,308 = 124,308 : x
2. Step 2: Convert to fraction form
   56,700/124,308 = 124,308/x
3. Step 3: Cross multiply
   56,700x = 124,308 × 124,308
4. Step 4: Simplify right side
   56,700x = 15,452,478,864
5. Step 5: Solve for x
   x = 15,452,478,864/56,700
6. Step 6: Final answer
   x = 272,530.49