Finding the Third Proportional to 51,880.50 and 80,493.75

Step by Step Solution

1. Step 1: Write the proportion equation
   51,880.50 : 80,493.75 = 80,493.75 : x
2. Step 2: Convert to fraction form
   51,880.50/80,493.75 = 80,493.75/x
3. Step 3: Cross multiply
   51,880.50x = 80,493.75 × 80,493.75
4. Step 4: Simplify right side
   51,880.50x = 6,479,243,789.06
5. Step 5: Solve for x
   x = 6,479,243,789.06/51,880.50
6. Step 6: Final answer
   x = 124,887.84