Finding the Third Proportional to 143,775 and 302,423.50

Step by Step Solution

1. Step 1: Write the proportion equation
   143,775 : 302,423.50 = 302,423.50 : x
2. Step 2: Convert to fraction form
   143,775/302,423.50 = 302,423.50/x
3. Step 3: Cross multiply
   143,775x = 302,423.50 × 302,423.50
4. Step 4: Simplify right side
   143,775x = 91,459,973,352.25
5. Step 5: Solve for x
   x = 91,459,973,352.25/143,775
6. Step 6: Final answer
   x = 636,132.66