Finding the Third Proportional to 2,610,840 and 3,991,302

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610,840 : 3,991,302 = 3,991,302 : x
2. Step 2: Convert to fraction form
   2,610,840/3,991,302 = 3,991,302/x
3. Step 3: Cross multiply
   2,610,840x = 3,991,302 × 3,991,302
4. Step 4: Simplify right side
   2,610,840x = 15,930,491,655,204
5. Step 5: Solve for x
   x = 15,930,491,655,204/2,610,840
6. Step 6: Final answer
   x = 6,101,672.89