Finding the Third Proportional to 42,789 and 103,082

Step by Step Solution

1. Step 1: Write the proportion equation
   42,789 : 103,082 = 103,082 : x
2. Step 2: Convert to fraction form
   42,789/103,082 = 103,082/x
3. Step 3: Cross multiply
   42,789x = 103,082 × 103,082
4. Step 4: Simplify right side
   42,789x = 10,625,898,724
5. Step 5: Solve for x
   x = 10,625,898,724/42,789
6. Step 6: Final answer
   x = 248,332.49