Finding the Third Proportional to 142,217 and 304,674.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,217 : 304,674.50 = 304,674.50 : x
2. Step 2: Convert to fraction form
   142,217/304,674.50 = 304,674.50/x
3. Step 3: Cross multiply
   142,217x = 304,674.50 × 304,674.50
4. Step 4: Simplify right side
   142,217x = 92,826,550,950.25
5. Step 5: Solve for x
   x = 92,826,550,950.25/142,217
6. Step 6: Final answer
   x = 652,710.65