Finding the Third Proportional to 691,320 and 1,437,822

Step by Step Solution

1. Step 1: Write the proportion equation
   691,320 : 1,437,822 = 1,437,822 : x
2. Step 2: Convert to fraction form
   691,320/1,437,822 = 1,437,822/x
3. Step 3: Cross multiply
   691,320x = 1,437,822 × 1,437,822
4. Step 4: Simplify right side
   691,320x = 2,067,332,103,684
5. Step 5: Solve for x
   x = 2,067,332,103,684/691,320
6. Step 6: Final answer
   x = 2,990,412.69