Finding the Third Proportional to 67,927 and 140,630

Step by Step Solution

1. Step 1: Write the proportion equation
   67,927 : 140,630 = 140,630 : x
2. Step 2: Convert to fraction form
   67,927/140,630 = 140,630/x
3. Step 3: Cross multiply
   67,927x = 140,630 × 140,630
4. Step 4: Simplify right side
   67,927x = 19,776,796,900
5. Step 5: Solve for x
   x = 19,776,796,900/67,927
6. Step 6: Final answer
   x = 291,147.80