Finding the Third Proportional to 239,308 and 370,501.50

Step by Step Solution

1. Step 1: Write the proportion equation
   239,308 : 370,501.50 = 370,501.50 : x
2. Step 2: Convert to fraction form
   239,308/370,501.50 = 370,501.50/x
3. Step 3: Cross multiply
   239,308x = 370,501.50 × 370,501.50
4. Step 4: Simplify right side
   239,308x = 137,271,361,502.25
5. Step 5: Solve for x
   x = 137,271,361,502.25/239,308
6. Step 6: Final answer
   x = 573,617.94