Finding the Third Proportional to 806,138 and 1,204,995

Step by Step Solution

1. Step 1: Write the proportion equation
   806,138 : 1,204,995 = 1,204,995 : x
2. Step 2: Convert to fraction form
   806,138/1,204,995 = 1,204,995/x
3. Step 3: Cross multiply
   806,138x = 1,204,995 × 1,204,995
4. Step 4: Simplify right side
   806,138x = 1,452,012,950,025
5. Step 5: Solve for x
   x = 1,452,012,950,025/806,138
6. Step 6: Final answer
   x = 1,801,196.51