Finding the Third Proportional to 49,389.50 and 76,591.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,389.50 : 76,591.50 = 76,591.50 : x
2. Step 2: Convert to fraction form
   49,389.50/76,591.50 = 76,591.50/x
3. Step 3: Cross multiply
   49,389.50x = 76,591.50 × 76,591.50
4. Step 4: Simplify right side
   49,389.50x = 5,866,257,872.25
5. Step 5: Solve for x
   x = 5,866,257,872.25/49,389.50
6. Step 6: Final answer
   x = 118,775.41