Finding the Third Proportional to 879,892 and 1,372,422

Step by Step Solution

1. Step 1: Write the proportion equation
   879,892 : 1,372,422 = 1,372,422 : x
2. Step 2: Convert to fraction form
   879,892/1,372,422 = 1,372,422/x
3. Step 3: Cross multiply
   879,892x = 1,372,422 × 1,372,422
4. Step 4: Simplify right side
   879,892x = 1,883,542,146,084
5. Step 5: Solve for x
   x = 1,883,542,146,084/879,892
6. Step 6: Final answer
   x = 2,140,651.52