Finding the Third Proportional to 143,577 and 316,098

Step by Step Solution

1. Step 1: Write the proportion equation
   143,577 : 316,098 = 316,098 : x
2. Step 2: Convert to fraction form
   143,577/316,098 = 316,098/x
3. Step 3: Cross multiply
   143,577x = 316,098 × 316,098
4. Step 4: Simplify right side
   143,577x = 99,917,945,604
5. Step 5: Solve for x
   x = 99,917,945,604/143,577
6. Step 6: Final answer
   x = 695,918.88