Finding the Third Proportional to 5,056.50 and 7,419.75

Step by Step Solution

1. Step 1: Write the proportion equation
   5,056.50 : 7,419.75 = 7,419.75 : x
2. Step 2: Convert to fraction form
   5,056.50/7,419.75 = 7,419.75/x
3. Step 3: Cross multiply
   5,056.50x = 7,419.75 × 7,419.75
4. Step 4: Simplify right side
   5,056.50x = 55,052,690.06
5. Step 5: Solve for x
   x = 55,052,690.06/5,056.50
6. Step 6: Final answer
   x = 10,887.51