Finding the Third Proportional to 2,589,630 and 3,920,391

Step by Step Solution

1. Step 1: Write the proportion equation
   2,589,630 : 3,920,391 = 3,920,391 : x
2. Step 2: Convert to fraction form
   2,589,630/3,920,391 = 3,920,391/x
3. Step 3: Cross multiply
   2,589,630x = 3,920,391 × 3,920,391
4. Step 4: Simplify right side
   2,589,630x = 15,369,465,592,881
5. Step 5: Solve for x
   x = 15,369,465,592,881/2,589,630
6. Step 6: Final answer
   x = 5,935,004.46