Finding the Third Proportional to 350,940 and 718,474.50

Step by Step Solution

1. Step 1: Write the proportion equation
   350,940 : 718,474.50 = 718,474.50 : x
2. Step 2: Convert to fraction form
   350,940/718,474.50 = 718,474.50/x
3. Step 3: Cross multiply
   350,940x = 718,474.50 × 718,474.50
4. Step 4: Simplify right side
   350,940x = 516,205,607,150.25
5. Step 5: Solve for x
   x = 516,205,607,150.25/350,940
6. Step 6: Final answer
   x = 1,470,922.69