Finding the Third Proportional to 170,404 and 252,315.75

Step by Step Solution

1. Step 1: Write the proportion equation
   170,404 : 252,315.75 = 252,315.75 : x
2. Step 2: Convert to fraction form
   170,404/252,315.75 = 252,315.75/x
3. Step 3: Cross multiply
   170,404x = 252,315.75 × 252,315.75
4. Step 4: Simplify right side
   170,404x = 63,663,237,698.06
5. Step 5: Solve for x
   x = 63,663,237,698.06/170,404
6. Step 6: Final answer
   x = 373,601.78