Finding the Third Proportional to 56,386 and 123,934

Step by Step Solution

1. Step 1: Write the proportion equation
   56,386 : 123,934 = 123,934 : x
2. Step 2: Convert to fraction form
   56,386/123,934 = 123,934/x
3. Step 3: Cross multiply
   56,386x = 123,934 × 123,934
4. Step 4: Simplify right side
   56,386x = 15,359,636,356
5. Step 5: Solve for x
   x = 15,359,636,356/56,386
6. Step 6: Final answer
   x = 272,401.60