Finding the Third Proportional to 77,993.06 and 123,391.88

Step by Step Solution

1. Step 1: Write the proportion equation
   77,993.06 : 123,391.88 = 123,391.88 : x
2. Step 2: Convert to fraction form
   77,993.06/123,391.88 = 123,391.88/x
3. Step 3: Cross multiply
   77,993.06x = 123,391.88 × 123,391.88
4. Step 4: Simplify right side
   77,993.06x = 15,225,554,816.02
5. Step 5: Solve for x
   x = 15,225,554,816.02/77,993.06
6. Step 6: Final answer
   x = 195,216.78