Finding the Third Proportional to 19,984.38 and 42,738.10

Step by Step Solution

1. Step 1: Write the proportion equation
   19,984.38 : 42,738.10 = 42,738.10 : x
2. Step 2: Convert to fraction form
   19,984.38/42,738.10 = 42,738.10/x
3. Step 3: Cross multiply
   19,984.38x = 42,738.10 × 42,738.10
4. Step 4: Simplify right side
   19,984.38x = 1,826,545,158.22
5. Step 5: Solve for x
   x = 1,826,545,158.22/19,984.38
6. Step 6: Final answer
   x = 91,398.65