Finding the Third Proportional to 154,322 and 338,188

Step by Step Solution

1. Step 1: Write the proportion equation
   154,322 : 338,188 = 338,188 : x
2. Step 2: Convert to fraction form
   154,322/338,188 = 338,188/x
3. Step 3: Cross multiply
   154,322x = 338,188 × 338,188
4. Step 4: Simplify right side
   154,322x = 114,371,123,344
5. Step 5: Solve for x
   x = 114,371,123,344/154,322
6. Step 6: Final answer
   x = 741,120.02