Finding the Third Proportional to 1,680,664 and 2,448,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,680,664 : 2,448,780 = 2,448,780 : x
2. Step 2: Convert to fraction form
   1,680,664/2,448,780 = 2,448,780/x
3. Step 3: Cross multiply
   1,680,664x = 2,448,780 × 2,448,780
4. Step 4: Simplify right side
   1,680,664x = 5,996,523,488,400
5. Step 5: Solve for x
   x = 5,996,523,488,400/1,680,664
6. Step 6: Final answer
   x = 3,567,949.03