Finding the Third Proportional to 51,607.50 and 79,759.25

Step by Step Solution

1. Step 1: Write the proportion equation
   51,607.50 : 79,759.25 = 79,759.25 : x
2. Step 2: Convert to fraction form
   51,607.50/79,759.25 = 79,759.25/x
3. Step 3: Cross multiply
   51,607.50x = 79,759.25 × 79,759.25
4. Step 4: Simplify right side
   51,607.50x = 6,361,537,960.56
5. Step 5: Solve for x
   x = 6,361,537,960.56/51,607.50
6. Step 6: Final answer
   x = 123,267.70