Finding the Third Proportional to 2,140,311 and 3,312,651

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140,311 : 3,312,651 = 3,312,651 : x
2. Step 2: Convert to fraction form
   2,140,311/3,312,651 = 3,312,651/x
3. Step 3: Cross multiply
   2,140,311x = 3,312,651 × 3,312,651
4. Step 4: Simplify right side
   2,140,311x = 10,973,656,647,801
5. Step 5: Solve for x
   x = 10,973,656,647,801/2,140,311
6. Step 6: Final answer
   x = 5,127,131.83