Finding the Third Proportional to 1,249,113 and 2,596,355

Step by Step Solution

1. Step 1: Write the proportion equation
   1,249,113 : 2,596,355 = 2,596,355 : x
2. Step 2: Convert to fraction form
   1,249,113/2,596,355 = 2,596,355/x
3. Step 3: Cross multiply
   1,249,113x = 2,596,355 × 2,596,355
4. Step 4: Simplify right side
   1,249,113x = 6,741,059,286,025
5. Step 5: Solve for x
   x = 6,741,059,286,025/1,249,113
6. Step 6: Final answer
   x = 5,396,676.91