Finding the Third Proportional to 154,461.50 and 338,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   154,461.50 : 338,443.50 = 338,443.50 : x
2. Step 2: Convert to fraction form
   154,461.50/338,443.50 = 338,443.50/x
3. Step 3: Cross multiply
   154,461.50x = 338,443.50 × 338,443.50
4. Step 4: Simplify right side
   154,461.50x = 114,544,002,692.25
5. Step 5: Solve for x
   x = 114,544,002,692.25/154,461.50
6. Step 6: Final answer
   x = 741,569.92