Finding the Third Proportional to 539,342 and 1,173,820

Step by Step Solution

1. Step 1: Write the proportion equation
   539,342 : 1,173,820 = 1,173,820 : x
2. Step 2: Convert to fraction form
   539,342/1,173,820 = 1,173,820/x
3. Step 3: Cross multiply
   539,342x = 1,173,820 × 1,173,820
4. Step 4: Simplify right side
   539,342x = 1,377,853,392,400
5. Step 5: Solve for x
   x = 1,377,853,392,400/539,342
6. Step 6: Final answer
   x = 2,554,693.30