Finding the Third Proportional to 138,641.25 and 283,852

Step by Step Solution

1. Step 1: Write the proportion equation
   138,641.25 : 283,852 = 283,852 : x
2. Step 2: Convert to fraction form
   138,641.25/283,852 = 283,852/x
3. Step 3: Cross multiply
   138,641.25x = 283,852 × 283,852
4. Step 4: Simplify right side
   138,641.25x = 80,571,957,904
5. Step 5: Solve for x
   x = 80,571,957,904/138,641.25
6. Step 6: Final answer
   x = 581,154.30