Finding the Third Proportional to 9,320.06 and 10,899.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,320.06 : 10,899.56 = 10,899.56 : x
2. Step 2: Convert to fraction form
   9,320.06/10,899.56 = 10,899.56/x
3. Step 3: Cross multiply
   9,320.06x = 10,899.56 × 10,899.56
4. Step 4: Simplify right side
   9,320.06x = 118,800,462.69
5. Step 5: Solve for x
   x = 118,800,462.69/9,320.06
6. Step 6: Final answer
   x = 12,746.75