Finding the Third Proportional to 108,076.50 and 172,654.75

Step by Step Solution

1. Step 1: Write the proportion equation
   108,076.50 : 172,654.75 = 172,654.75 : x
2. Step 2: Convert to fraction form
   108,076.50/172,654.75 = 172,654.75/x
3. Step 3: Cross multiply
   108,076.50x = 172,654.75 × 172,654.75
4. Step 4: Simplify right side
   108,076.50x = 29,809,662,697.56
5. Step 5: Solve for x
   x = 29,809,662,697.56/108,076.50
6. Step 6: Final answer
   x = 275,820.02