Finding the Third Proportional to 1,260,792 and 1,698,651

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260,792 : 1,698,651 = 1,698,651 : x
2. Step 2: Convert to fraction form
   1,260,792/1,698,651 = 1,698,651/x
3. Step 3: Cross multiply
   1,260,792x = 1,698,651 × 1,698,651
4. Step 4: Simplify right side
   1,260,792x = 2,885,415,219,801
5. Step 5: Solve for x
   x = 2,885,415,219,801/1,260,792
6. Step 6: Final answer
   x = 2,288,573.55