Finding the Third Proportional to 691,326 and 1,437,834

Step by Step Solution

1. Step 1: Write the proportion equation
   691,326 : 1,437,834 = 1,437,834 : x
2. Step 2: Convert to fraction form
   691,326/1,437,834 = 1,437,834/x
3. Step 3: Cross multiply
   691,326x = 1,437,834 × 1,437,834
4. Step 4: Simplify right side
   691,326x = 2,067,366,611,556
5. Step 5: Solve for x
   x = 2,067,366,611,556/691,326
6. Step 6: Final answer
   x = 2,990,436.66