Finding the Third Proportional to 2,618,898 and 4,087,521

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618,898 : 4,087,521 = 4,087,521 : x
2. Step 2: Convert to fraction form
   2,618,898/4,087,521 = 4,087,521/x
3. Step 3: Cross multiply
   2,618,898x = 4,087,521 × 4,087,521
4. Step 4: Simplify right side
   2,618,898x = 16,707,827,925,441
5. Step 5: Solve for x
   x = 16,707,827,925,441/2,618,898
6. Step 6: Final answer
   x = 6,379,716.94