Finding the Third Proportional to 12,415.78 and 26,764.17

Step by Step Solution

1. Step 1: Write the proportion equation
   12,415.78 : 26,764.17 = 26,764.17 : x
2. Step 2: Convert to fraction form
   12,415.78/26,764.17 = 26,764.17/x
3. Step 3: Cross multiply
   12,415.78x = 26,764.17 × 26,764.17
4. Step 4: Simplify right side
   12,415.78x = 716,320,896.15
5. Step 5: Solve for x
   x = 716,320,896.15/12,415.78
6. Step 6: Final answer
   x = 57,694.39