Finding the Third Proportional to 223,150 and 485,672

Step by Step Solution

1. Step 1: Write the proportion equation
   223,150 : 485,672 = 485,672 : x
2. Step 2: Convert to fraction form
   223,150/485,672 = 485,672/x
3. Step 3: Cross multiply
   223,150x = 485,672 × 485,672
4. Step 4: Simplify right side
   223,150x = 235,877,291,584
5. Step 5: Solve for x
   x = 235,877,291,584/223,150
6. Step 6: Final answer
   x = 1,057,034.69