Finding the Third Proportional to 154,554 and 329,521.50

Step by Step Solution

1. Step 1: Write the proportion equation
   154,554 : 329,521.50 = 329,521.50 : x
2. Step 2: Convert to fraction form
   154,554/329,521.50 = 329,521.50/x
3. Step 3: Cross multiply
   154,554x = 329,521.50 × 329,521.50
4. Step 4: Simplify right side
   154,554x = 108,584,418,962.25
5. Step 5: Solve for x
   x = 108,584,418,962.25/154,554
6. Step 6: Final answer
   x = 702,566.22