Finding the Third Proportional to 51,979.50 and 80,453.25

Step by Step Solution

1. Step 1: Write the proportion equation
   51,979.50 : 80,453.25 = 80,453.25 : x
2. Step 2: Convert to fraction form
   51,979.50/80,453.25 = 80,453.25/x
3. Step 3: Cross multiply
   51,979.50x = 80,453.25 × 80,453.25
4. Step 4: Simplify right side
   51,979.50x = 6,472,725,435.56
5. Step 5: Solve for x
   x = 6,472,725,435.56/51,979.50
6. Step 6: Final answer
   x = 124,524.58