Finding the Third Proportional to 397,209 and 936,871.50

Step by Step Solution

1. Step 1: Write the proportion equation
   397,209 : 936,871.50 = 936,871.50 : x
2. Step 2: Convert to fraction form
   397,209/936,871.50 = 936,871.50/x
3. Step 3: Cross multiply
   397,209x = 936,871.50 × 936,871.50
4. Step 4: Simplify right side
   397,209x = 877,728,207,512.25
5. Step 5: Solve for x
   x = 877,728,207,512.25/397,209
6. Step 6: Final answer
   x = 2,209,738.97