Finding the Third Proportional to 79,389 and 123,060.75

Step by Step Solution

1. Step 1: Write the proportion equation
   79,389 : 123,060.75 = 123,060.75 : x
2. Step 2: Convert to fraction form
   79,389/123,060.75 = 123,060.75/x
3. Step 3: Cross multiply
   79,389x = 123,060.75 × 123,060.75
4. Step 4: Simplify right side
   79,389x = 15,143,948,190.56
5. Step 5: Solve for x
   x = 15,143,948,190.56/79,389
6. Step 6: Final answer
   x = 190,756.25