Finding the Third Proportional to 79,723.75 and 123,436.75

Step by Step Solution

1. Step 1: Write the proportion equation
   79,723.75 : 123,436.75 = 123,436.75 : x
2. Step 2: Convert to fraction form
   79,723.75/123,436.75 = 123,436.75/x
3. Step 3: Cross multiply
   79,723.75x = 123,436.75 × 123,436.75
4. Step 4: Simplify right side
   79,723.75x = 15,236,631,250.56
5. Step 5: Solve for x
   x = 15,236,631,250.56/79,723.75
6. Step 6: Final answer
   x = 191,117.84