Finding the Third Proportional to 67,779 and 103,684.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,779 : 103,684.50 = 103,684.50 : x
2. Step 2: Convert to fraction form
   67,779/103,684.50 = 103,684.50/x
3. Step 3: Cross multiply
   67,779x = 103,684.50 × 103,684.50
4. Step 4: Simplify right side
   67,779x = 10,750,475,540.25
5. Step 5: Solve for x
   x = 10,750,475,540.25/67,779
6. Step 6: Final answer
   x = 158,610.71