Finding the Third Proportional to 363,168.56 and 717,037.31

Step by Step Solution

1. Step 1: Write the proportion equation
   363,168.56 : 717,037.31 = 717,037.31 : x
2. Step 2: Convert to fraction form
   363,168.56/717,037.31 = 717,037.31/x
3. Step 3: Cross multiply
   363,168.56x = 717,037.31 × 717,037.31
4. Step 4: Simplify right side
   363,168.56x = 514,142,507,517.22
5. Step 5: Solve for x
   x = 514,142,507,517.22/363,168.56
6. Step 6: Final answer
   x = 1,415,713.14