Finding the Third Proportional to 138,955.50 and 282,825

Step by Step Solution

1. Step 1: Write the proportion equation
   138,955.50 : 282,825 = 282,825 : x
2. Step 2: Convert to fraction form
   138,955.50/282,825 = 282,825/x
3. Step 3: Cross multiply
   138,955.50x = 282,825 × 282,825
4. Step 4: Simplify right side
   138,955.50x = 79,989,980,625
5. Step 5: Solve for x
   x = 79,989,980,625/138,955.50
6. Step 6: Final answer
   x = 575,651.78