Finding the Third Proportional to 12,992 and 29,456

Step by Step Solution

1. Step 1: Write the proportion equation
   12,992 : 29,456 = 29,456 : x
2. Step 2: Convert to fraction form
   12,992/29,456 = 29,456/x
3. Step 3: Cross multiply
   12,992x = 29,456 × 29,456
4. Step 4: Simplify right side
   12,992x = 867,655,936
5. Step 5: Solve for x
   x = 867,655,936/12,992
6. Step 6: Final answer
   x = 66,783.86