Finding the Third Proportional to 822,113 and 1,291,449

Step by Step Solution

1. Step 1: Write the proportion equation
   822,113 : 1,291,449 = 1,291,449 : x
2. Step 2: Convert to fraction form
   822,113/1,291,449 = 1,291,449/x
3. Step 3: Cross multiply
   822,113x = 1,291,449 × 1,291,449
4. Step 4: Simplify right side
   822,113x = 1,667,840,519,601
5. Step 5: Solve for x
   x = 1,667,840,519,601/822,113
6. Step 6: Final answer
   x = 2,028,724.18