Finding the Third Proportional to 5,764.78 and 12,437.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,764.78 : 12,437.72 = 12,437.72 : x
2. Step 2: Convert to fraction form
   5,764.78/12,437.72 = 12,437.72/x
3. Step 3: Cross multiply
   5,764.78x = 12,437.72 × 12,437.72
4. Step 4: Simplify right side
   5,764.78x = 154,696,847.70
5. Step 5: Solve for x
   x = 154,696,847.70/5,764.78
6. Step 6: Final answer
   x = 26,834.82