Finding the Third Proportional to 12,142 and 24,730

Step by Step Solution

1. Step 1: Write the proportion equation
   12,142 : 24,730 = 24,730 : x
2. Step 2: Convert to fraction form
   12,142/24,730 = 24,730/x
3. Step 3: Cross multiply
   12,142x = 24,730 × 24,730
4. Step 4: Simplify right side
   12,142x = 611,572,900
5. Step 5: Solve for x
   x = 611,572,900/12,142
6. Step 6: Final answer
   x = 50,368.38