Finding the Third Proportional to 19,353.38 and 42,395.63

Step by Step Solution

1. Step 1: Write the proportion equation
   19,353.38 : 42,395.63 = 42,395.63 : x
2. Step 2: Convert to fraction form
   19,353.38/42,395.63 = 42,395.63/x
3. Step 3: Cross multiply
   19,353.38x = 42,395.63 × 42,395.63
4. Step 4: Simplify right side
   19,353.38x = 1,797,389,019.14
5. Step 5: Solve for x
   x = 1,797,389,019.14/19,353.38
6. Step 6: Final answer
   x = 92,872.12