Finding the Third Proportional to 485,125 and 1,020,521

Step by Step Solution

1. Step 1: Write the proportion equation
   485,125 : 1,020,521 = 1,020,521 : x
2. Step 2: Convert to fraction form
   485,125/1,020,521 = 1,020,521/x
3. Step 3: Cross multiply
   485,125x = 1,020,521 × 1,020,521
4. Step 4: Simplify right side
   485,125x = 1,041,463,111,441
5. Step 5: Solve for x
   x = 1,041,463,111,441/485,125
6. Step 6: Final answer
   x = 2,146,793.32