Finding the Third Proportional to 19,661.06 and 42,103.03

Step by Step Solution

1. Step 1: Write the proportion equation
   19,661.06 : 42,103.03 = 42,103.03 : x
2. Step 2: Convert to fraction form
   19,661.06/42,103.03 = 42,103.03/x
3. Step 3: Cross multiply
   19,661.06x = 42,103.03 × 42,103.03
4. Step 4: Simplify right side
   19,661.06x = 1,772,665,240.44
5. Step 5: Solve for x
   x = 1,772,665,240.44/19,661.06
6. Step 6: Final answer
   x = 90,161.21