Finding the Third Proportional to 7,699.22 and 10,109.81

Step by Step Solution

1. Step 1: Write the proportion equation
   7,699.22 : 10,109.81 = 10,109.81 : x
2. Step 2: Convert to fraction form
   7,699.22/10,109.81 = 10,109.81/x
3. Step 3: Cross multiply
   7,699.22x = 10,109.81 × 10,109.81
4. Step 4: Simplify right side
   7,699.22x = 102,208,308.79
5. Step 5: Solve for x
   x = 102,208,308.79/7,699.22
6. Step 6: Final answer
   x = 13,275.15