Finding the Third Proportional to 2,140,964 and 3,131,073

Step by Step Solution

1. Step 1: Write the proportion equation
   2,140,964 : 3,131,073 = 3,131,073 : x
2. Step 2: Convert to fraction form
   2,140,964/3,131,073 = 3,131,073/x
3. Step 3: Cross multiply
   2,140,964x = 3,131,073 × 3,131,073
4. Step 4: Simplify right side
   2,140,964x = 9,803,618,131,329
5. Step 5: Solve for x
   x = 9,803,618,131,329/2,140,964
6. Step 6: Final answer
   x = 4,579,067.25