Finding the Third Proportional to 143,856 and 316,062

Step by Step Solution

1. Step 1: Write the proportion equation
   143,856 : 316,062 = 316,062 : x
2. Step 2: Convert to fraction form
   143,856/316,062 = 316,062/x
3. Step 3: Cross multiply
   143,856x = 316,062 × 316,062
4. Step 4: Simplify right side
   143,856x = 99,895,187,844
5. Step 5: Solve for x
   x = 99,895,187,844/143,856
6. Step 6: Final answer
   x = 694,410.99