Finding the Third Proportional to 170,514 and 254,716.50

Step by Step Solution

1. Step 1: Write the proportion equation
   170,514 : 254,716.50 = 254,716.50 : x
2. Step 2: Convert to fraction form
   170,514/254,716.50 = 254,716.50/x
3. Step 3: Cross multiply
   170,514x = 254,716.50 × 254,716.50
4. Step 4: Simplify right side
   170,514x = 64,880,495,372.25
5. Step 5: Solve for x
   x = 64,880,495,372.25/170,514
6. Step 6: Final answer
   x = 380,499.52