Finding the Third Proportional to 220,280 and 482,776

Step by Step Solution

1. Step 1: Write the proportion equation
   220,280 : 482,776 = 482,776 : x
2. Step 2: Convert to fraction form
   220,280/482,776 = 482,776/x
3. Step 3: Cross multiply
   220,280x = 482,776 × 482,776
4. Step 4: Simplify right side
   220,280x = 233,072,666,176
5. Step 5: Solve for x
   x = 233,072,666,176/220,280
6. Step 6: Final answer
   x = 1,058,074.57