Finding the Third Proportional to 220,662 and 476,308

Step by Step Solution

1. Step 1: Write the proportion equation
   220,662 : 476,308 = 476,308 : x
2. Step 2: Convert to fraction form
   220,662/476,308 = 476,308/x
3. Step 3: Cross multiply
   220,662x = 476,308 × 476,308
4. Step 4: Simplify right side
   220,662x = 226,869,310,864
5. Step 5: Solve for x
   x = 226,869,310,864/220,662
6. Step 6: Final answer
   x = 1,028,130.40