Finding the Third Proportional to 662,248 and 1,384,456

Step by Step Solution

1. Step 1: Write the proportion equation
   662,248 : 1,384,456 = 1,384,456 : x
2. Step 2: Convert to fraction form
   662,248/1,384,456 = 1,384,456/x
3. Step 3: Cross multiply
   662,248x = 1,384,456 × 1,384,456
4. Step 4: Simplify right side
   662,248x = 1,916,718,415,936
5. Step 5: Solve for x
   x = 1,916,718,415,936/662,248
6. Step 6: Final answer
   x = 2,894,260.78