Finding the Third Proportional to 809,424 and 1,187,892

Step by Step Solution

1. Step 1: Write the proportion equation
   809,424 : 1,187,892 = 1,187,892 : x
2. Step 2: Convert to fraction form
   809,424/1,187,892 = 1,187,892/x
3. Step 3: Cross multiply
   809,424x = 1,187,892 × 1,187,892
4. Step 4: Simplify right side
   809,424x = 1,411,087,403,664
5. Step 5: Solve for x
   x = 1,411,087,403,664/809,424
6. Step 6: Final answer
   x = 1,743,322.91