Finding the Third Proportional to 397,224 and 936,931.50

Step by Step Solution

1. Step 1: Write the proportion equation
   397,224 : 936,931.50 = 936,931.50 : x
2. Step 2: Convert to fraction form
   397,224/936,931.50 = 936,931.50/x
3. Step 3: Cross multiply
   397,224x = 936,931.50 × 936,931.50
4. Step 4: Simplify right side
   397,224x = 877,840,635,692.25
5. Step 5: Solve for x
   x = 877,840,635,692.25/397,224
6. Step 6: Final answer
   x = 2,209,938.56