Finding the Third Proportional to 1,036,390 and 2,249,820

Step by Step Solution

1. Step 1: Write the proportion equation
   1,036,390 : 2,249,820 = 2,249,820 : x
2. Step 2: Convert to fraction form
   1,036,390/2,249,820 = 2,249,820/x
3. Step 3: Cross multiply
   1,036,390x = 2,249,820 × 2,249,820
4. Step 4: Simplify right side
   1,036,390x = 5,061,690,032,400
5. Step 5: Solve for x
   x = 5,061,690,032,400/1,036,390
6. Step 6: Final answer
   x = 4,883,962.63