Finding the Third Proportional to 220,830 and 476,654

Step by Step Solution

1. Step 1: Write the proportion equation
   220,830 : 476,654 = 476,654 : x
2. Step 2: Convert to fraction form
   220,830/476,654 = 476,654/x
3. Step 3: Cross multiply
   220,830x = 476,654 × 476,654
4. Step 4: Simplify right side
   220,830x = 227,199,035,716
5. Step 5: Solve for x
   x = 227,199,035,716/220,830
6. Step 6: Final answer
   x = 1,028,841.35