Finding the Third Proportional to 170,520 and 254,725.50

Step by Step Solution

1. Step 1: Write the proportion equation
   170,520 : 254,725.50 = 254,725.50 : x
2. Step 2: Convert to fraction form
   170,520/254,725.50 = 254,725.50/x
3. Step 3: Cross multiply
   170,520x = 254,725.50 × 254,725.50
4. Step 4: Simplify right side
   170,520x = 64,885,080,350.25
5. Step 5: Solve for x
   x = 64,885,080,350.25/170,520
6. Step 6: Final answer
   x = 380,513.02