Finding the Third Proportional to 50,231.81 and 68,219.30

Step by Step Solution

1. Step 1: Write the proportion equation
   50,231.81 : 68,219.30 = 68,219.30 : x
2. Step 2: Convert to fraction form
   50,231.81/68,219.30 = 68,219.30/x
3. Step 3: Cross multiply
   50,231.81x = 68,219.30 × 68,219.30
4. Step 4: Simplify right side
   50,231.81x = 4,653,872,466.12
5. Step 5: Solve for x
   x = 4,653,872,466.12/50,231.81
6. Step 6: Final answer
   x = 92,647.91