Finding the Third Proportional to 168,185.50 and 252,987

Step by Step Solution

1. Step 1: Write the proportion equation
   168,185.50 : 252,987 = 252,987 : x
2. Step 2: Convert to fraction form
   168,185.50/252,987 = 252,987/x
3. Step 3: Cross multiply
   168,185.50x = 252,987 × 252,987
4. Step 4: Simplify right side
   168,185.50x = 64,002,422,169
5. Step 5: Solve for x
   x = 64,002,422,169/168,185.50
6. Step 6: Final answer
   x = 380,546.61