Finding the Third Proportional to 221,084 and 477,392

Step by Step Solution

1. Step 1: Write the proportion equation
   221,084 : 477,392 = 477,392 : x
2. Step 2: Convert to fraction form
   221,084/477,392 = 477,392/x
3. Step 3: Cross multiply
   221,084x = 477,392 × 477,392
4. Step 4: Simplify right side
   221,084x = 227,903,121,664
5. Step 5: Solve for x
   x = 227,903,121,664/221,084
6. Step 6: Final answer
   x = 1,030,844.03