Finding the Third Proportional to 1,338,782 and 1,872,543

Step by Step Solution

1. Step 1: Write the proportion equation
   1,338,782 : 1,872,543 = 1,872,543 : x
2. Step 2: Convert to fraction form
   1,338,782/1,872,543 = 1,872,543/x
3. Step 3: Cross multiply
   1,338,782x = 1,872,543 × 1,872,543
4. Step 4: Simplify right side
   1,338,782x = 3,506,417,286,849
5. Step 5: Solve for x
   x = 3,506,417,286,849/1,338,782
6. Step 6: Final answer
   x = 2,619,109.97