Finding the Third Proportional to 538,848 and 845,289.38

Step by Step Solution

1. Step 1: Write the proportion equation
   538,848 : 845,289.38 = 845,289.38 : x
2. Step 2: Convert to fraction form
   538,848/845,289.38 = 845,289.38/x
3. Step 3: Cross multiply
   538,848x = 845,289.38 × 845,289.38
4. Step 4: Simplify right side
   538,848x = 714,514,127,487.89
5. Step 5: Solve for x
   x = 714,514,127,487.89/538,848
6. Step 6: Final answer
   x = 1,326,003.12