Finding the Third Proportional to 12,168.56 and 26,978.91

Step by Step Solution

1. Step 1: Write the proportion equation
   12,168.56 : 26,978.91 = 26,978.91 : x
2. Step 2: Convert to fraction form
   12,168.56/26,978.91 = 26,978.91/x
3. Step 3: Cross multiply
   12,168.56x = 26,978.91 × 26,978.91
4. Step 4: Simplify right side
   12,168.56x = 727,861,382.45
5. Step 5: Solve for x
   x = 727,861,382.45/12,168.56
6. Step 6: Final answer
   x = 59,814.90