Finding the Third Proportional to 19,851.75 and 42,395.06

Step by Step Solution

1. Step 1: Write the proportion equation
   19,851.75 : 42,395.06 = 42,395.06 : x
2. Step 2: Convert to fraction form
   19,851.75/42,395.06 = 42,395.06/x
3. Step 3: Cross multiply
   19,851.75x = 42,395.06 × 42,395.06
4. Step 4: Simplify right side
   19,851.75x = 1,797,341,324.38
5. Step 5: Solve for x
   x = 1,797,341,324.38/19,851.75
6. Step 6: Final answer
   x = 90,538.18