Finding the Third Proportional to 816,284 and 1,906,156

Step by Step Solution

1. Step 1: Write the proportion equation
   816,284 : 1,906,156 = 1,906,156 : x
2. Step 2: Convert to fraction form
   816,284/1,906,156 = 1,906,156/x
3. Step 3: Cross multiply
   816,284x = 1,906,156 × 1,906,156
4. Step 4: Simplify right side
   816,284x = 3,633,430,696,336
5. Step 5: Solve for x
   x = 3,633,430,696,336/816,284
6. Step 6: Final answer
   x = 4,451,184.51