Finding the Third Proportional to 350,953.50 and 718,506

Step by Step Solution

1. Step 1: Write the proportion equation
   350,953.50 : 718,506 = 718,506 : x
2. Step 2: Convert to fraction form
   350,953.50/718,506 = 718,506/x
3. Step 3: Cross multiply
   350,953.50x = 718,506 × 718,506
4. Step 4: Simplify right side
   350,953.50x = 516,250,872,036
5. Step 5: Solve for x
   x = 516,250,872,036/350,953.50
6. Step 6: Final answer
   x = 1,470,995.08