Finding the Third Proportional to 140,012 and 215,202

Step by Step Solution

1. Step 1: Write the proportion equation
   140,012 : 215,202 = 215,202 : x
2. Step 2: Convert to fraction form
   140,012/215,202 = 215,202/x
3. Step 3: Cross multiply
   140,012x = 215,202 × 215,202
4. Step 4: Simplify right side
   140,012x = 46,311,900,804
5. Step 5: Solve for x
   x = 46,311,900,804/140,012
6. Step 6: Final answer
   x = 330,770.94