Finding the Third Proportional to 158,857.50 and 309,732

Step by Step Solution

1. Step 1: Write the proportion equation
   158,857.50 : 309,732 = 309,732 : x
2. Step 2: Convert to fraction form
   158,857.50/309,732 = 309,732/x
3. Step 3: Cross multiply
   158,857.50x = 309,732 × 309,732
4. Step 4: Simplify right side
   158,857.50x = 95,933,911,824
5. Step 5: Solve for x
   x = 95,933,911,824/158,857.50
6. Step 6: Final answer
   x = 603,899.17