Finding the Third Proportional to 1,123,671 and 1,643,454

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123,671 : 1,643,454 = 1,643,454 : x
2. Step 2: Convert to fraction form
   1,123,671/1,643,454 = 1,643,454/x
3. Step 3: Cross multiply
   1,123,671x = 1,643,454 × 1,643,454
4. Step 4: Simplify right side
   1,123,671x = 2,700,941,050,116
5. Step 5: Solve for x
   x = 2,700,941,050,116/1,123,671
6. Step 6: Final answer
   x = 2,403,676.03