Finding the Third Proportional to 1,068,436 and 2,176,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068,436 : 2,176,456 = 2,176,456 : x
2. Step 2: Convert to fraction form
   1,068,436/2,176,456 = 2,176,456/x
3. Step 3: Cross multiply
   1,068,436x = 2,176,456 × 2,176,456
4. Step 4: Simplify right side
   1,068,436x = 4,736,960,719,936
5. Step 5: Solve for x
   x = 4,736,960,719,936/1,068,436
6. Step 6: Final answer
   x = 4,433,546.53