Finding the Third Proportional to 65,328.50 and 143,106

Step by Step Solution

1. Step 1: Write the proportion equation
   65,328.50 : 143,106 = 143,106 : x
2. Step 2: Convert to fraction form
   65,328.50/143,106 = 143,106/x
3. Step 3: Cross multiply
   65,328.50x = 143,106 × 143,106
4. Step 4: Simplify right side
   65,328.50x = 20,479,327,236
5. Step 5: Solve for x
   x = 20,479,327,236/65,328.50
6. Step 6: Final answer
   x = 313,482.28