Finding the Third Proportional to 221,008 and 482,498

Step by Step Solution

1. Step 1: Write the proportion equation
   221,008 : 482,498 = 482,498 : x
2. Step 2: Convert to fraction form
   221,008/482,498 = 482,498/x
3. Step 3: Cross multiply
   221,008x = 482,498 × 482,498
4. Step 4: Simplify right side
   221,008x = 232,804,320,004
5. Step 5: Solve for x
   x = 232,804,320,004/221,008
6. Step 6: Final answer
   x = 1,053,375.08