Finding the Third Proportional to 333,342 and 718,810

Step by Step Solution

1. Step 1: Write the proportion equation
   333,342 : 718,810 = 718,810 : x
2. Step 2: Convert to fraction form
   333,342/718,810 = 718,810/x
3. Step 3: Cross multiply
   333,342x = 718,810 × 718,810
4. Step 4: Simplify right side
   333,342x = 516,687,816,100
5. Step 5: Solve for x
   x = 516,687,816,100/333,342
6. Step 6: Final answer
   x = 1,550,023.15