Finding the Third Proportional to 2,589,521 and 3,920,259

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589,521 : 3,920,259 = 3,920,259 : x
2. Step 2: Convert to fraction form
   2,589,521/3,920,259 = 3,920,259/x
3. Step 3: Cross multiply
   2,589,521x = 3,920,259 × 3,920,259
4. Step 4: Simplify right side
   2,589,521x = 15,368,430,627,081
5. Step 5: Solve for x
   x = 15,368,430,627,081/2,589,521
6. Step 6: Final answer
   x = 5,934,854.60