Finding the Third Proportional to 541,727 and 839,980

Step by Step Solution

1. Step 1: Write the proportion equation
   541,727 : 839,980 = 839,980 : x
2. Step 2: Convert to fraction form
   541,727/839,980 = 839,980/x
3. Step 3: Cross multiply
   541,727x = 839,980 × 839,980
4. Step 4: Simplify right side
   541,727x = 705,566,400,400
5. Step 5: Solve for x
   x = 705,566,400,400/541,727
6. Step 6: Final answer
   x = 1,302,439.05