Finding the Third Proportional to 1,113,543 and 2,439,909

Step by Step Solution

1. Step 1: Write the proportion equation
   1,113,543 : 2,439,909 = 2,439,909 : x
2. Step 2: Convert to fraction form
   1,113,543/2,439,909 = 2,439,909/x
3. Step 3: Cross multiply
   1,113,543x = 2,439,909 × 2,439,909
4. Step 4: Simplify right side
   1,113,543x = 5,953,155,928,281
5. Step 5: Solve for x
   x = 5,953,155,928,281/1,113,543
6. Step 6: Final answer
   x = 5,346,139.24