Finding the Third Proportional to 820,322 and 1,784,260

Step by Step Solution

1. Step 1: Write the proportion equation
   820,322 : 1,784,260 = 1,784,260 : x
2. Step 2: Convert to fraction form
   820,322/1,784,260 = 1,784,260/x
3. Step 3: Cross multiply
   820,322x = 1,784,260 × 1,784,260
4. Step 4: Simplify right side
   820,322x = 3,183,583,747,600
5. Step 5: Solve for x
   x = 3,183,583,747,600/820,322
6. Step 6: Final answer
   x = 3,880,895.24