Finding the Third Proportional to 72,805.50 and 154,288.13

Step by Step Solution

1. Step 1: Write the proportion equation
   72,805.50 : 154,288.13 = 154,288.13 : x
2. Step 2: Convert to fraction form
   72,805.50/154,288.13 = 154,288.13/x
3. Step 3: Cross multiply
   72,805.50x = 154,288.13 × 154,288.13
4. Step 4: Simplify right side
   72,805.50x = 23,804,825,516.02
5. Step 5: Solve for x
   x = 23,804,825,516.02/72,805.50
6. Step 6: Final answer
   x = 326,964.66