Finding the Third Proportional to 13,809.38 and 21,602.63

Step by Step Solution

1. Step 1: Write the proportion equation
   13,809.38 : 21,602.63 = 21,602.63 : x
2. Step 2: Convert to fraction form
   13,809.38/21,602.63 = 21,602.63/x
3. Step 3: Cross multiply
   13,809.38x = 21,602.63 × 21,602.63
4. Step 4: Simplify right side
   13,809.38x = 466,673,406.89
5. Step 5: Solve for x
   x = 466,673,406.89/13,809.38
6. Step 6: Final answer
   x = 33,793.96