Finding the Third Proportional to 50,314.50 and 80,889.75

Step by Step Solution

1. Step 1: Write the proportion equation
   50,314.50 : 80,889.75 = 80,889.75 : x
2. Step 2: Convert to fraction form
   50,314.50/80,889.75 = 80,889.75/x
3. Step 3: Cross multiply
   50,314.50x = 80,889.75 × 80,889.75
4. Step 4: Simplify right side
   50,314.50x = 6,543,151,655.06
5. Step 5: Solve for x
   x = 6,543,151,655.06/50,314.50
6. Step 6: Final answer
   x = 130,045.05