Finding the Third Proportional to 485,288.72 and 1,020,762

Step by Step Solution

1. Step 1: Write the proportion equation
   485,288.72 : 1,020,762 = 1,020,762 : x
2. Step 2: Convert to fraction form
   485,288.72/1,020,762 = 1,020,762/x
3. Step 3: Cross multiply
   485,288.72x = 1,020,762 × 1,020,762
4. Step 4: Simplify right side
   485,288.72x = 1,041,955,060,644
5. Step 5: Solve for x
   x = 1,041,955,060,644/485,288.72
6. Step 6: Final answer
   x = 2,147,082.80