Finding the Third Proportional to 67,683.38 and 105,217.88

Step by Step Solution

1. Step 1: Write the proportion equation
   67,683.38 : 105,217.88 = 105,217.88 : x
2. Step 2: Convert to fraction form
   67,683.38/105,217.88 = 105,217.88/x
3. Step 3: Cross multiply
   67,683.38x = 105,217.88 × 105,217.88
4. Step 4: Simplify right side
   67,683.38x = 11,070,801,219.52
5. Step 5: Solve for x
   x = 11,070,801,219.52/67,683.38
6. Step 6: Final answer
   x = 163,567.51