Finding the Third Proportional to 538,844.50 and 845,284

Step by Step Solution

1. Step 1: Write the proportion equation
   538,844.50 : 845,284 = 845,284 : x
2. Step 2: Convert to fraction form
   538,844.50/845,284 = 845,284/x
3. Step 3: Cross multiply
   538,844.50x = 845,284 × 845,284
4. Step 4: Simplify right side
   538,844.50x = 714,505,040,656
5. Step 5: Solve for x
   x = 714,505,040,656/538,844.50
6. Step 6: Final answer
   x = 1,325,994.87