Finding the Third Proportional to 220,748 and 476,776

Step by Step Solution

1. Step 1: Write the proportion equation
   220,748 : 476,776 = 476,776 : x
2. Step 2: Convert to fraction form
   220,748/476,776 = 476,776/x
3. Step 3: Cross multiply
   220,748x = 476,776 × 476,776
4. Step 4: Simplify right side
   220,748x = 227,315,354,176
5. Step 5: Solve for x
   x = 227,315,354,176/220,748
6. Step 6: Final answer
   x = 1,029,750.46