Finding the Third Proportional to 328,062 and 717,844.50

Step by Step Solution

1. Step 1: Write the proportion equation
   328,062 : 717,844.50 = 717,844.50 : x
2. Step 2: Convert to fraction form
   328,062/717,844.50 = 717,844.50/x
3. Step 3: Cross multiply
   328,062x = 717,844.50 × 717,844.50
4. Step 4: Simplify right side
   328,062x = 515,300,726,180.25
5. Step 5: Solve for x
   x = 515,300,726,180.25/328,062
6. Step 6: Final answer
   x = 1,570,741.89