Finding the Third Proportional to 123,428 and 174,747

Step by Step Solution

1. Step 1: Write the proportion equation
   123,428 : 174,747 = 174,747 : x
2. Step 2: Convert to fraction form
   123,428/174,747 = 174,747/x
3. Step 3: Cross multiply
   123,428x = 174,747 × 174,747
4. Step 4: Simplify right side
   123,428x = 30,536,514,009
5. Step 5: Solve for x
   x = 30,536,514,009/123,428
6. Step 6: Final answer
   x = 247,403.46