Finding the Third Proportional to 1,643,926 and 2,579,484

Step by Step Solution

1. Step 1: Write the proportion equation
   1,643,926 : 2,579,484 = 2,579,484 : x
2. Step 2: Convert to fraction form
   1,643,926/2,579,484 = 2,579,484/x
3. Step 3: Cross multiply
   1,643,926x = 2,579,484 × 2,579,484
4. Step 4: Simplify right side
   1,643,926x = 6,653,737,706,256
5. Step 5: Solve for x
   x = 6,653,737,706,256/1,643,926
6. Step 6: Final answer
   x = 4,047,467.89