Finding the Third Proportional to 1,551,155 and 2,317,345

Step by Step Solution

1. Step 1: Write the proportion equation
   1,551,155 : 2,317,345 = 2,317,345 : x
2. Step 2: Convert to fraction form
   1,551,155/2,317,345 = 2,317,345/x
3. Step 3: Cross multiply
   1,551,155x = 2,317,345 × 2,317,345
4. Step 4: Simplify right side
   1,551,155x = 5,370,087,849,025
5. Step 5: Solve for x
   x = 5,370,087,849,025/1,551,155
6. Step 6: Final answer
   x = 3,461,993.06