Finding the Third Proportional to 13,792.78 and 21,395.81

Step by Step Solution

1. Step 1: Write the proportion equation
   13,792.78 : 21,395.81 = 21,395.81 : x
2. Step 2: Convert to fraction form
   13,792.78/21,395.81 = 21,395.81/x
3. Step 3: Cross multiply
   13,792.78x = 21,395.81 × 21,395.81
4. Step 4: Simplify right side
   13,792.78x = 457,780,792.54
5. Step 5: Solve for x
   x = 457,780,792.54/13,792.78
6. Step 6: Final answer
   x = 33,189.88