Finding the Third Proportional to 2,610,900 and 3,991,410

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610,900 : 3,991,410 = 3,991,410 : x
2. Step 2: Convert to fraction form
   2,610,900/3,991,410 = 3,991,410/x
3. Step 3: Cross multiply
   2,610,900x = 3,991,410 × 3,991,410
4. Step 4: Simplify right side
   2,610,900x = 15,931,353,788,100
5. Step 5: Solve for x
   x = 15,931,353,788,100/2,610,900
6. Step 6: Final answer
   x = 6,101,862.88