Finding the Third Proportional to 65,596.50 and 143,051.06

Step by Step Solution

1. Step 1: Write the proportion equation
   65,596.50 : 143,051.06 = 143,051.06 : x
2. Step 2: Convert to fraction form
   65,596.50/143,051.06 = 143,051.06/x
3. Step 3: Cross multiply
   65,596.50x = 143,051.06 × 143,051.06
4. Step 4: Simplify right side
   65,596.50x = 20,463,606,482.38
5. Step 5: Solve for x
   x = 20,463,606,482.38/65,596.50
6. Step 6: Final answer
   x = 311,961.87