Finding the Third Proportional to 19,839.62 and 42,716.27

Step by Step Solution

1. Step 1: Write the proportion equation
   19,839.62 : 42,716.27 = 42,716.27 : x
2. Step 2: Convert to fraction form
   19,839.62/42,716.27 = 42,716.27/x
3. Step 3: Cross multiply
   19,839.62x = 42,716.27 × 42,716.27
4. Step 4: Simplify right side
   19,839.62x = 1,824,679,515.81
5. Step 5: Solve for x
   x = 1,824,679,515.81/19,839.62
6. Step 6: Final answer
   x = 91,971.49