Finding the Third Proportional to 12,768.47 and 29,671.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,768.47 : 29,671.31 = 29,671.31 : x
2. Step 2: Convert to fraction form
   12,768.47/29,671.31 = 29,671.31/x
3. Step 3: Cross multiply
   12,768.47x = 29,671.31 × 29,671.31
4. Step 4: Simplify right side
   12,768.47x = 880,386,785.47
5. Step 5: Solve for x
   x = 880,386,785.47/12,768.47
6. Step 6: Final answer
   x = 68,950.07