Finding the Third Proportional to 143,532 and 211,144.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,532 : 211,144.50 = 211,144.50 : x
2. Step 2: Convert to fraction form
   143,532/211,144.50 = 211,144.50/x
3. Step 3: Cross multiply
   143,532x = 211,144.50 × 211,144.50
4. Step 4: Simplify right side
   143,532x = 44,581,999,880.25
5. Step 5: Solve for x
   x = 44,581,999,880.25/143,532
6. Step 6: Final answer
   x = 310,606.69