Finding the Third Proportional to 4,968.84 and 7,992.42

Step by Step Solution

1. Step 1: Write the proportion equation
   4,968.84 : 7,992.42 = 7,992.42 : x
2. Step 2: Convert to fraction form
   4,968.84/7,992.42 = 7,992.42/x
3. Step 3: Cross multiply
   4,968.84x = 7,992.42 × 7,992.42
4. Step 4: Simplify right side
   4,968.84x = 63,878,807.43
5. Step 5: Solve for x
   x = 63,878,807.43/4,968.84
6. Step 6: Final answer
   x = 12,855.87