Finding the Third Proportional to 154,554 and 322,500

Step by Step Solution

1. Step 1: Write the proportion equation
   154,554 : 322,500 = 322,500 : x
2. Step 2: Convert to fraction form
   154,554/322,500 = 322,500/x
3. Step 3: Cross multiply
   154,554x = 322,500 × 322,500
4. Step 4: Simplify right side
   154,554x = 104,006,250,000
5. Step 5: Solve for x
   x = 104,006,250,000/154,554
6. Step 6: Final answer
   x = 672,944.41