Finding the Third Proportional to 243,006 and 367,855.50

Step by Step Solution

1. Step 1: Write the proportion equation
   243,006 : 367,855.50 = 367,855.50 : x
2. Step 2: Convert to fraction form
   243,006/367,855.50 = 367,855.50/x
3. Step 3: Cross multiply
   243,006x = 367,855.50 × 367,855.50
4. Step 4: Simplify right side
   243,006x = 135,317,668,880.25
5. Step 5: Solve for x
   x = 135,317,668,880.25/243,006
6. Step 6: Final answer
   x = 556,849.09