Finding the Third Proportional to 1,287,734 and 2,543,038

Step by Step Solution

1. Step 1: Write the proportion equation
   1,287,734 : 2,543,038 = 2,543,038 : x
2. Step 2: Convert to fraction form
   1,287,734/2,543,038 = 2,543,038/x
3. Step 3: Cross multiply
   1,287,734x = 2,543,038 × 2,543,038
4. Step 4: Simplify right side
   1,287,734x = 6,467,042,269,444
5. Step 5: Solve for x
   x = 6,467,042,269,444/1,287,734
6. Step 6: Final answer
   x = 5,022,032.71