Finding the Third Proportional to 472,608 and 717,649.50

Step by Step Solution

1. Step 1: Write the proportion equation
   472,608 : 717,649.50 = 717,649.50 : x
2. Step 2: Convert to fraction form
   472,608/717,649.50 = 717,649.50/x
3. Step 3: Cross multiply
   472,608x = 717,649.50 × 717,649.50
4. Step 4: Simplify right side
   472,608x = 515,020,804,850.25
5. Step 5: Solve for x
   x = 515,020,804,850.25/472,608
6. Step 6: Final answer
   x = 1,089,742.04