Finding the Third Proportional to 108,878 and 171,094.50

Step by Step Solution

1. Step 1: Write the proportion equation
   108,878 : 171,094.50 = 171,094.50 : x
2. Step 2: Convert to fraction form
   108,878/171,094.50 = 171,094.50/x
3. Step 3: Cross multiply
   108,878x = 171,094.50 × 171,094.50
4. Step 4: Simplify right side
   108,878x = 29,273,327,930.25
5. Step 5: Solve for x
   x = 29,273,327,930.25/108,878
6. Step 6: Final answer
   x = 268,863.57