Finding the Third Proportional to 131,526 and 318,016

Step by Step Solution

1. Step 1: Write the proportion equation
   131,526 : 318,016 = 318,016 : x
2. Step 2: Convert to fraction form
   131,526/318,016 = 318,016/x
3. Step 3: Cross multiply
   131,526x = 318,016 × 318,016
4. Step 4: Simplify right side
   131,526x = 101,134,176,256
5. Step 5: Solve for x
   x = 101,134,176,256/131,526
6. Step 6: Final answer
   x = 768,929.16