Finding the Third Proportional to 19,891.69 and 42,896.81

Step by Step Solution

1. Step 1: Write the proportion equation
   19,891.69 : 42,896.81 = 42,896.81 : x
2. Step 2: Convert to fraction form
   19,891.69/42,896.81 = 42,896.81/x
3. Step 3: Cross multiply
   19,891.69x = 42,896.81 × 42,896.81
4. Step 4: Simplify right side
   19,891.69x = 1,840,136,522.66
5. Step 5: Solve for x
   x = 1,840,136,522.66/19,891.69
6. Step 6: Final answer
   x = 92,507.81