Finding the Third Proportional to 539,055 and 845,608.50

Step by Step Solution

1. Step 1: Write the proportion equation
   539,055 : 845,608.50 = 845,608.50 : x
2. Step 2: Convert to fraction form
   539,055/845,608.50 = 845,608.50/x
3. Step 3: Cross multiply
   539,055x = 845,608.50 × 845,608.50
4. Step 4: Simplify right side
   539,055x = 715,053,735,272.25
5. Step 5: Solve for x
   x = 715,053,735,272.25/539,055
6. Step 6: Final answer
   x = 1,326,494.95