Finding the Third Proportional to 96,221.50 and 143,306

Step by Step Solution

1. Step 1: Write the proportion equation
   96,221.50 : 143,306 = 143,306 : x
2. Step 2: Convert to fraction form
   96,221.50/143,306 = 143,306/x
3. Step 3: Cross multiply
   96,221.50x = 143,306 × 143,306
4. Step 4: Simplify right side
   96,221.50x = 20,536,609,636
5. Step 5: Solve for x
   x = 20,536,609,636/96,221.50
6. Step 6: Final answer
   x = 213,430.57