Finding the Third Proportional to 19,328.63 and 42,393.38

Step by Step Solution

1. Step 1: Write the proportion equation
   19,328.63 : 42,393.38 = 42,393.38 : x
2. Step 2: Convert to fraction form
   19,328.63/42,393.38 = 42,393.38/x
3. Step 3: Cross multiply
   19,328.63x = 42,393.38 × 42,393.38
4. Step 4: Simplify right side
   19,328.63x = 1,797,198,243.89
5. Step 5: Solve for x
   x = 1,797,198,243.89/19,328.63
6. Step 6: Final answer
   x = 92,981.17