Finding the Third Proportional to 836,920 and 1,074,588

Step by Step Solution

1. Step 1: Write the proportion equation
   836,920 : 1,074,588 = 1,074,588 : x
2. Step 2: Convert to fraction form
   836,920/1,074,588 = 1,074,588/x
3. Step 3: Cross multiply
   836,920x = 1,074,588 × 1,074,588
4. Step 4: Simplify right side
   836,920x = 1,154,739,369,744
5. Step 5: Solve for x
   x = 1,154,739,369,744/836,920
6. Step 6: Final answer
   x = 1,379,748.80