Finding the Third Proportional to 13,008.09 and 21,368.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,008.09 : 21,368.81 = 21,368.81 : x
2. Step 2: Convert to fraction form
   13,008.09/21,368.81 = 21,368.81/x
3. Step 3: Cross multiply
   13,008.09x = 21,368.81 × 21,368.81
4. Step 4: Simplify right side
   13,008.09x = 456,626,147.66
5. Step 5: Solve for x
   x = 456,626,147.66/13,008.09
6. Step 6: Final answer
   x = 35,103.23