Finding the Third Proportional to 239,303 and 370,493.50

Step by Step Solution

1. Step 1: Write the proportion equation
   239,303 : 370,493.50 = 370,493.50 : x
2. Step 2: Convert to fraction form
   239,303/370,493.50 = 370,493.50/x
3. Step 3: Cross multiply
   239,303x = 370,493.50 × 370,493.50
4. Step 4: Simplify right side
   239,303x = 137,265,433,542.25
5. Step 5: Solve for x
   x = 137,265,433,542.25/239,303
6. Step 6: Final answer
   x = 573,605.15