Finding the Third Proportional to 154,500 and 338,516

Step by Step Solution

1. Step 1: Write the proportion equation
   154,500 : 338,516 = 338,516 : x
2. Step 2: Convert to fraction form
   154,500/338,516 = 338,516/x
3. Step 3: Cross multiply
   154,500x = 338,516 × 338,516
4. Step 4: Simplify right side
   154,500x = 114,593,082,256
5. Step 5: Solve for x
   x = 114,593,082,256/154,500
6. Step 6: Final answer
   x = 741,702.80