Finding the Third Proportional to 65,550 and 143,950.50

Step by Step Solution

1. Step 1: Write the proportion equation
   65,550 : 143,950.50 = 143,950.50 : x
2. Step 2: Convert to fraction form
   65,550/143,950.50 = 143,950.50/x
3. Step 3: Cross multiply
   65,550x = 143,950.50 × 143,950.50
4. Step 4: Simplify right side
   65,550x = 20,721,746,450.25
5. Step 5: Solve for x
   x = 20,721,746,450.25/65,550
6. Step 6: Final answer
   x = 316,121.23