Finding the Third Proportional to 4,908 and 7,507.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,908 : 7,507.50 = 7,507.50 : x
2. Step 2: Convert to fraction form
   4,908/7,507.50 = 7,507.50/x
3. Step 3: Cross multiply
   4,908x = 7,507.50 × 7,507.50
4. Step 4: Simplify right side
   4,908x = 56,362,556.25
5. Step 5: Solve for x
   x = 56,362,556.25/4,908
6. Step 6: Final answer
   x = 11,483.81