Finding the Third Proportional to 538,413 and 844,729.88

Step by Step Solution

1. Step 1: Write the proportion equation
   538,413 : 844,729.88 = 844,729.88 : x
2. Step 2: Convert to fraction form
   538,413/844,729.88 = 844,729.88/x
3. Step 3: Cross multiply
   538,413x = 844,729.88 × 844,729.88
4. Step 4: Simplify right side
   538,413x = 713,568,561,717.52
5. Step 5: Solve for x
   x = 713,568,561,717.52/538,413
6. Step 6: Final answer
   x = 1,325,318.23