Finding the Third Proportional to 1,643,895 and 2,579,436

Step by Step Solution

1. Step 1: Write the proportion equation
   1,643,895 : 2,579,436 = 2,579,436 : x
2. Step 2: Convert to fraction form
   1,643,895/2,579,436 = 2,579,436/x
3. Step 3: Cross multiply
   1,643,895x = 2,579,436 × 2,579,436
4. Step 4: Simplify right side
   1,643,895x = 6,653,490,078,096
5. Step 5: Solve for x
   x = 6,653,490,078,096/1,643,895
6. Step 6: Final answer
   x = 4,047,393.59