Finding the Third Proportional to 221,320 and 474,196

Step by Step Solution

1. Step 1: Write the proportion equation
   221,320 : 474,196 = 474,196 : x
2. Step 2: Convert to fraction form
   221,320/474,196 = 474,196/x
3. Step 3: Cross multiply
   221,320x = 474,196 × 474,196
4. Step 4: Simplify right side
   221,320x = 224,861,846,416
5. Step 5: Solve for x
   x = 224,861,846,416/221,320
6. Step 6: Final answer
   x = 1,016,003.28