Finding the Third Proportional to 4,945.50 and 7,647.75

Step by Step Solution

1. Step 1: Write the proportion equation
   4,945.50 : 7,647.75 = 7,647.75 : x
2. Step 2: Convert to fraction form
   4,945.50/7,647.75 = 7,647.75/x
3. Step 3: Cross multiply
   4,945.50x = 7,647.75 × 7,647.75
4. Step 4: Simplify right side
   4,945.50x = 58,488,080.06
5. Step 5: Solve for x
   x = 58,488,080.06/4,945.50
6. Step 6: Final answer
   x = 11,826.53