Finding the Third Proportional to 485,128.50 and 1,020,525

Step by Step Solution

1. Step 1: Write the proportion equation
   485,128.50 : 1,020,525 = 1,020,525 : x
2. Step 2: Convert to fraction form
   485,128.50/1,020,525 = 1,020,525/x
3. Step 3: Cross multiply
   485,128.50x = 1,020,525 × 1,020,525
4. Step 4: Simplify right side
   485,128.50x = 1,041,471,275,625
5. Step 5: Solve for x
   x = 1,041,471,275,625/485,128.50
6. Step 6: Final answer
   x = 2,146,794.66