Finding the Third Proportional to 224,186 and 485,700

Step by Step Solution

1. Step 1: Write the proportion equation
   224,186 : 485,700 = 485,700 : x
2. Step 2: Convert to fraction form
   224,186/485,700 = 485,700/x
3. Step 3: Cross multiply
   224,186x = 485,700 × 485,700
4. Step 4: Simplify right side
   224,186x = 235,904,490,000
5. Step 5: Solve for x
   x = 235,904,490,000/224,186
6. Step 6: Final answer
   x = 1,052,271.28