Finding the Third Proportional to 65,602.50 and 143,814

Step by Step Solution

1. Step 1: Write the proportion equation
   65,602.50 : 143,814 = 143,814 : x
2. Step 2: Convert to fraction form
   65,602.50/143,814 = 143,814/x
3. Step 3: Cross multiply
   65,602.50x = 143,814 × 143,814
4. Step 4: Simplify right side
   65,602.50x = 20,682,466,596
5. Step 5: Solve for x
   x = 20,682,466,596/65,602.50
6. Step 6: Final answer
   x = 315,269.49