Finding the Third Proportional to 1,022,988 and 1,489,505

Step by Step Solution

1. Step 1: Write the proportion equation
   1,022,988 : 1,489,505 = 1,489,505 : x
2. Step 2: Convert to fraction form
   1,022,988/1,489,505 = 1,489,505/x
3. Step 3: Cross multiply
   1,022,988x = 1,489,505 × 1,489,505
4. Step 4: Simplify right side
   1,022,988x = 2,218,625,145,025
5. Step 5: Solve for x
   x = 2,218,625,145,025/1,022,988
6. Step 6: Final answer
   x = 2,168,769.47