Finding the Third Proportional to 134,338.50 and 294,921

Step by Step Solution

1. Step 1: Write the proportion equation
   134,338.50 : 294,921 = 294,921 : x
2. Step 2: Convert to fraction form
   134,338.50/294,921 = 294,921/x
3. Step 3: Cross multiply
   134,338.50x = 294,921 × 294,921
4. Step 4: Simplify right side
   134,338.50x = 86,978,396,241
5. Step 5: Solve for x
   x = 86,978,396,241/134,338.50
6. Step 6: Final answer
   x = 647,456.96