Finding the Third Proportional to 816,384 and 1,772,880

Step by Step Solution

1. Step 1: Write the proportion equation
   816,384 : 1,772,880 = 1,772,880 : x
2. Step 2: Convert to fraction form
   816,384/1,772,880 = 1,772,880/x
3. Step 3: Cross multiply
   816,384x = 1,772,880 × 1,772,880
4. Step 4: Simplify right side
   816,384x = 3,143,103,494,400
5. Step 5: Solve for x
   x = 3,143,103,494,400/816,384
6. Step 6: Final answer
   x = 3,850,030.74