Finding the Third Proportional to 239,205 and 370,471.50

Step by Step Solution

1. Step 1: Write the proportion equation
   239,205 : 370,471.50 = 370,471.50 : x
2. Step 2: Convert to fraction form
   239,205/370,471.50 = 370,471.50/x
3. Step 3: Cross multiply
   239,205x = 370,471.50 × 370,471.50
4. Step 4: Simplify right side
   239,205x = 137,249,132,312.25
5. Step 5: Solve for x
   x = 137,249,132,312.25/239,205
6. Step 6: Final answer
   x = 573,772.00