Finding the Third Proportional to 168,186 and 252,987.75

Step by Step Solution

1. Step 1: Write the proportion equation
   168,186 : 252,987.75 = 252,987.75 : x
2. Step 2: Convert to fraction form
   168,186/252,987.75 = 252,987.75/x
3. Step 3: Cross multiply
   168,186x = 252,987.75 × 252,987.75
4. Step 4: Simplify right side
   168,186x = 64,002,801,650.06
5. Step 5: Solve for x
   x = 64,002,801,650.06/168,186
6. Step 6: Final answer
   x = 380,547.74