Finding the Third Proportional to 1,156,858 and 2,491,310

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156,858 : 2,491,310 = 2,491,310 : x
2. Step 2: Convert to fraction form
   1,156,858/2,491,310 = 2,491,310/x
3. Step 3: Cross multiply
   1,156,858x = 2,491,310 × 2,491,310
4. Step 4: Simplify right side
   1,156,858x = 6,206,625,516,100
5. Step 5: Solve for x
   x = 6,206,625,516,100/1,156,858
6. Step 6: Final answer
   x = 5,365,071.18