Finding the Third Proportional to 2,589,426 and 3,920,123

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589,426 : 3,920,123 = 3,920,123 : x
2. Step 2: Convert to fraction form
   2,589,426/3,920,123 = 3,920,123/x
3. Step 3: Cross multiply
   2,589,426x = 3,920,123 × 3,920,123
4. Step 4: Simplify right side
   2,589,426x = 15,367,364,335,129
5. Step 5: Solve for x
   x = 15,367,364,335,129/2,589,426
6. Step 6: Final answer
   x = 5,934,660.55