Finding the Third Proportional to 2,589,424 and 3,920,120

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589,424 : 3,920,120 = 3,920,120 : x
2. Step 2: Convert to fraction form
   2,589,424/3,920,120 = 3,920,120/x
3. Step 3: Cross multiply
   2,589,424x = 3,920,120 × 3,920,120
4. Step 4: Simplify right side
   2,589,424x = 15,367,340,814,400
5. Step 5: Solve for x
   x = 15,367,340,814,400/2,589,424
6. Step 6: Final answer
   x = 5,934,656.05