Finding the Third Proportional to 216,525 and 472,398

Step by Step Solution

1. Step 1: Write the proportion equation
   216,525 : 472,398 = 472,398 : x
2. Step 2: Convert to fraction form
   216,525/472,398 = 472,398/x
3. Step 3: Cross multiply
   216,525x = 472,398 × 472,398
4. Step 4: Simplify right side
   216,525x = 223,159,870,404
5. Step 5: Solve for x
   x = 223,159,870,404/216,525
6. Step 6: Final answer
   x = 1,030,642.51