Finding the Third Proportional to 13,117.78 and 27,986.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,117.78 : 27,986.34 = 27,986.34 : x
2. Step 2: Convert to fraction form
   13,117.78/27,986.34 = 27,986.34/x
3. Step 3: Cross multiply
   13,117.78x = 27,986.34 × 27,986.34
4. Step 4: Simplify right side
   13,117.78x = 783,235,436.49
5. Step 5: Solve for x
   x = 783,235,436.49/13,117.78
6. Step 6: Final answer
   x = 59,707.92