Finding the Third Proportional to 8,740.31 and 13,846.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,740.31 : 13,846.78 = 13,846.78 : x
2. Step 2: Convert to fraction form
   8,740.31/13,846.78 = 13,846.78/x
3. Step 3: Cross multiply
   8,740.31x = 13,846.78 × 13,846.78
4. Step 4: Simplify right side
   8,740.31x = 191,733,350.99
5. Step 5: Solve for x
   x = 191,733,350.99/8,740.31
6. Step 6: Final answer
   x = 21,936.67