Finding the Third Proportional to 56,430 and 124,002

Step by Step Solution

1. Step 1: Write the proportion equation
   56,430 : 124,002 = 124,002 : x
2. Step 2: Convert to fraction form
   56,430/124,002 = 124,002/x
3. Step 3: Cross multiply
   56,430x = 124,002 × 124,002
4. Step 4: Simplify right side
   56,430x = 15,376,496,004
5. Step 5: Solve for x
   x = 15,376,496,004/56,430
6. Step 6: Final answer
   x = 272,487.97