Finding the Third Proportional to 72,811.50 and 158,799

Step by Step Solution

1. Step 1: Write the proportion equation
   72,811.50 : 158,799 = 158,799 : x
2. Step 2: Convert to fraction form
   72,811.50/158,799 = 158,799/x
3. Step 3: Cross multiply
   72,811.50x = 158,799 × 158,799
4. Step 4: Simplify right side
   72,811.50x = 25,217,122,401
5. Step 5: Solve for x
   x = 25,217,122,401/72,811.50
6. Step 6: Final answer
   x = 346,334.33