Finding the Third Proportional to 1,113,423 and 2,439,642

Step by Step Solution

1. Step 1: Write the proportion equation
   1,113,423 : 2,439,642 = 2,439,642 : x
2. Step 2: Convert to fraction form
   1,113,423/2,439,642 = 2,439,642/x
3. Step 3: Cross multiply
   1,113,423x = 2,439,642 × 2,439,642
4. Step 4: Simplify right side
   1,113,423x = 5,951,853,088,164
5. Step 5: Solve for x
   x = 5,951,853,088,164/1,113,423
6. Step 6: Final answer
   x = 5,345,545.30