Finding the Third Proportional to 13,395.38 and 19,705.78

Step by Step Solution

1. Step 1: Write the proportion equation
   13,395.38 : 19,705.78 = 19,705.78 : x
2. Step 2: Convert to fraction form
   13,395.38/19,705.78 = 19,705.78/x
3. Step 3: Cross multiply
   13,395.38x = 19,705.78 × 19,705.78
4. Step 4: Simplify right side
   13,395.38x = 388,317,814.67
5. Step 5: Solve for x
   x = 388,317,814.67/13,395.38
6. Step 6: Final answer
   x = 28,988.95