Finding the Third Proportional to 5,760.81 and 8,802.11

Step by Step Solution

1. Step 1: Write the proportion equation
   5,760.81 : 8,802.11 = 8,802.11 : x
2. Step 2: Convert to fraction form
   5,760.81/8,802.11 = 8,802.11/x
3. Step 3: Cross multiply
   5,760.81x = 8,802.11 × 8,802.11
4. Step 4: Simplify right side
   5,760.81x = 77,477,060.68
5. Step 5: Solve for x
   x = 77,477,060.68/5,760.81
6. Step 6: Final answer
   x = 13,448.99