Finding the Third Proportional to 159,711.75 and 352,638

Step by Step Solution

1. Step 1: Write the proportion equation
   159,711.75 : 352,638 = 352,638 : x
2. Step 2: Convert to fraction form
   159,711.75/352,638 = 352,638/x
3. Step 3: Cross multiply
   159,711.75x = 352,638 × 352,638
4. Step 4: Simplify right side
   159,711.75x = 124,353,559,044
5. Step 5: Solve for x
   x = 124,353,559,044/159,711.75
6. Step 6: Final answer
   x = 778,612.46