Finding the Third Proportional to 9,039.38 and 13,903.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,039.38 : 13,903.31 = 13,903.31 : x
2. Step 2: Convert to fraction form
   9,039.38/13,903.31 = 13,903.31/x
3. Step 3: Cross multiply
   9,039.38x = 13,903.31 × 13,903.31
4. Step 4: Simplify right side
   9,039.38x = 193,302,098.47
5. Step 5: Solve for x
   x = 193,302,098.47/9,039.38
6. Step 6: Final answer
   x = 21,384.45