Finding the Third Proportional to 67,682.25 and 99,214.88

Step by Step Solution

1. Step 1: Write the proportion equation
   67,682.25 : 99,214.88 = 99,214.88 : x
2. Step 2: Convert to fraction form
   67,682.25/99,214.88 = 99,214.88/x
3. Step 3: Cross multiply
   67,682.25x = 99,214.88 × 99,214.88
4. Step 4: Simplify right side
   67,682.25x = 9,843,591,421.27
5. Step 5: Solve for x
   x = 9,843,591,421.27/67,682.25
6. Step 6: Final answer
   x = 145,438.30