Finding the Third Proportional to 12,940.31 and 27,996.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,940.31 : 27,996.75 = 27,996.75 : x
2. Step 2: Convert to fraction form
   12,940.31/27,996.75 = 27,996.75/x
3. Step 3: Cross multiply
   12,940.31x = 27,996.75 × 27,996.75
4. Step 4: Simplify right side
   12,940.31x = 783,818,010.56
5. Step 5: Solve for x
   x = 783,818,010.56/12,940.31
6. Step 6: Final answer
   x = 60,571.80