Finding the Third Proportional to 1,020,606 and 2,197,218

Step by Step Solution

1. Step 1: Write the proportion equation
   1,020,606 : 2,197,218 = 2,197,218 : x
2. Step 2: Convert to fraction form
   1,020,606/2,197,218 = 2,197,218/x
3. Step 3: Cross multiply
   1,020,606x = 2,197,218 × 2,197,218
4. Step 4: Simplify right side
   1,020,606x = 4,827,766,939,524
5. Step 5: Solve for x
   x = 4,827,766,939,524/1,020,606
6. Step 6: Final answer
   x = 4,730,294.49