Finding the Third Proportional to 220,272 and 482,760

Step by Step Solution

1. Step 1: Write the proportion equation
   220,272 : 482,760 = 482,760 : x
2. Step 2: Convert to fraction form
   220,272/482,760 = 482,760/x
3. Step 3: Cross multiply
   220,272x = 482,760 × 482,760
4. Step 4: Simplify right side
   220,272x = 233,057,217,600
5. Step 5: Solve for x
   x = 233,057,217,600/220,272
6. Step 6: Final answer
   x = 1,058,042.86