Finding the Third Proportional to 691,290 and 1,437,762

Step by Step Solution

1. Step 1: Write the proportion equation
   691,290 : 1,437,762 = 1,437,762 : x
2. Step 2: Convert to fraction form
   691,290/1,437,762 = 1,437,762/x
3. Step 3: Cross multiply
   691,290x = 1,437,762 × 1,437,762
4. Step 4: Simplify right side
   691,290x = 2,067,159,568,644
5. Step 5: Solve for x
   x = 2,067,159,568,644/691,290
6. Step 6: Final answer
   x = 2,990,292.89