Finding the Third Proportional to 485,100 and 1,020,470

Step by Step Solution

1. Step 1: Write the proportion equation
   485,100 : 1,020,470 = 1,020,470 : x
2. Step 2: Convert to fraction form
   485,100/1,020,470 = 1,020,470/x
3. Step 3: Cross multiply
   485,100x = 1,020,470 × 1,020,470
4. Step 4: Simplify right side
   485,100x = 1,041,359,020,900
5. Step 5: Solve for x
   x = 1,041,359,020,900/485,100
6. Step 6: Final answer
   x = 2,146,689.39