Finding the Third Proportional to 108,106.50 and 171,778.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,106.50 : 171,778.50 = 171,778.50 : x
2. Step 2: Convert to fraction form
   108,106.50/171,778.50 = 171,778.50/x
3. Step 3: Cross multiply
   108,106.50x = 171,778.50 × 171,778.50
4. Step 4: Simplify right side
   108,106.50x = 29,507,853,062.25
5. Step 5: Solve for x
   x = 29,507,853,062.25/108,106.50
6. Step 6: Final answer
   x = 272,951.70