Finding the Third Proportional to 2,087,127 and 4,398,543

Step by Step Solution

1. Step 1: Write the proportion equation
   2,087,127 : 4,398,543 = 4,398,543 : x
2. Step 2: Convert to fraction form
   2,087,127/4,398,543 = 4,398,543/x
3. Step 3: Cross multiply
   2,087,127x = 4,398,543 × 4,398,543
4. Step 4: Simplify right side
   2,087,127x = 19,347,180,522,849
5. Step 5: Solve for x
   x = 19,347,180,522,849/2,087,127
6. Step 6: Final answer
   x = 9,269,766.78