Finding the Third Proportional to 72,366 and 155,806.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,366 : 155,806.50 = 155,806.50 : x
2. Step 2: Convert to fraction form
   72,366/155,806.50 = 155,806.50/x
3. Step 3: Cross multiply
   72,366x = 155,806.50 × 155,806.50
4. Step 4: Simplify right side
   72,366x = 24,275,665,442.25
5. Step 5: Solve for x
   x = 24,275,665,442.25/72,366
6. Step 6: Final answer
   x = 335,456.78