Finding the Third Proportional to 711,342 and 1,067,040

Step by Step Solution

1. Step 1: Write the proportion equation
   711,342 : 1,067,040 = 1,067,040 : x
2. Step 2: Convert to fraction form
   711,342/1,067,040 = 1,067,040/x
3. Step 3: Cross multiply
   711,342x = 1,067,040 × 1,067,040
4. Step 4: Simplify right side
   711,342x = 1,138,574,361,600
5. Step 5: Solve for x
   x = 1,138,574,361,600/711,342
6. Step 6: Final answer
   x = 1,600,600.50