Finding the Third Proportional to 138,550.50 and 296,055

Step by Step Solution

1. Step 1: Write the proportion equation
   138,550.50 : 296,055 = 296,055 : x
2. Step 2: Convert to fraction form
   138,550.50/296,055 = 296,055/x
3. Step 3: Cross multiply
   138,550.50x = 296,055 × 296,055
4. Step 4: Simplify right side
   138,550.50x = 87,648,563,025
5. Step 5: Solve for x
   x = 87,648,563,025/138,550.50
6. Step 6: Final answer
   x = 632,610.95