Finding the Third Proportional to 836,921 and 1,074,589

Step by Step Solution

1. Step 1: Write the proportion equation
   836,921 : 1,074,589 = 1,074,589 : x
2. Step 2: Convert to fraction form
   836,921/1,074,589 = 1,074,589/x
3. Step 3: Cross multiply
   836,921x = 1,074,589 × 1,074,589
4. Step 4: Simplify right side
   836,921x = 1,154,741,518,921
5. Step 5: Solve for x
   x = 1,154,741,518,921/836,921
6. Step 6: Final answer
   x = 1,379,749.72