Finding the Third Proportional to 11,140.50 and 26,818.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,140.50 : 26,818.50 = 26,818.50 : x
2. Step 2: Convert to fraction form
   11,140.50/26,818.50 = 26,818.50/x
3. Step 3: Cross multiply
   11,140.50x = 26,818.50 × 26,818.50
4. Step 4: Simplify right side
   11,140.50x = 719,231,942.25
5. Step 5: Solve for x
   x = 719,231,942.25/11,140.50
6. Step 6: Final answer
   x = 64,560.11