Finding the Third Proportional to 1,002,456 and 1,645,680

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,456 : 1,645,680 = 1,645,680 : x
2. Step 2: Convert to fraction form
   1,002,456/1,645,680 = 1,645,680/x
3. Step 3: Cross multiply
   1,002,456x = 1,645,680 × 1,645,680
4. Step 4: Simplify right side
   1,002,456x = 2,708,262,662,400
5. Step 5: Solve for x
   x = 2,708,262,662,400/1,002,456
6. Step 6: Final answer
   x = 2,701,627.47