Finding the Third Proportional to 77,973.75 and 123,959.25

Step by Step Solution

1. Step 1: Write the proportion equation
   77,973.75 : 123,959.25 = 123,959.25 : x
2. Step 2: Convert to fraction form
   77,973.75/123,959.25 = 123,959.25/x
3. Step 3: Cross multiply
   77,973.75x = 123,959.25 × 123,959.25
4. Step 4: Simplify right side
   77,973.75x = 15,365,895,660.56
5. Step 5: Solve for x
   x = 15,365,895,660.56/77,973.75
6. Step 6: Final answer
   x = 197,064.98