Finding the Third Proportional to 11,891.81 and 29,433.38

Step by Step Solution

1. Step 1: Write the proportion equation
   11,891.81 : 29,433.38 = 29,433.38 : x
2. Step 2: Convert to fraction form
   11,891.81/29,433.38 = 29,433.38/x
3. Step 3: Cross multiply
   11,891.81x = 29,433.38 × 29,433.38
4. Step 4: Simplify right side
   11,891.81x = 866,323,563.89
5. Step 5: Solve for x
   x = 866,323,563.89/11,891.81
6. Step 6: Final answer
   x = 72,850.42