Finding the Third Proportional to 2,658,917 and 3,872,113.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658,917 : 3,872,113.50 = 3,872,113.50 : x
2. Step 2: Convert to fraction form
   2,658,917/3,872,113.50 = 3,872,113.50/x
3. Step 3: Cross multiply
   2,658,917x = 3,872,113.50 × 3,872,113.50
4. Step 4: Simplify right side
   2,658,917x = 14,993,262,956,882.25
5. Step 5: Solve for x
   x = 14,993,262,956,882.25/2,658,917
6. Step 6: Final answer
   x = 5,638,860.84