Finding the Third Proportional to 72,709.50 and 155,787

Step by Step Solution

1. Step 1: Write the proportion equation
   72,709.50 : 155,787 = 155,787 : x
2. Step 2: Convert to fraction form
   72,709.50/155,787 = 155,787/x
3. Step 3: Cross multiply
   72,709.50x = 155,787 × 155,787
4. Step 4: Simplify right side
   72,709.50x = 24,269,589,369
5. Step 5: Solve for x
   x = 24,269,589,369/72,709.50
6. Step 6: Final answer
   x = 333,788.42