Finding the Third Proportional to 1,260,738 and 1,698,570

Step by Step Solution

1. Step 1: Write the proportion equation
   1,260,738 : 1,698,570 = 1,698,570 : x
2. Step 2: Convert to fraction form
   1,260,738/1,698,570 = 1,698,570/x
3. Step 3: Cross multiply
   1,260,738x = 1,698,570 × 1,698,570
4. Step 4: Simplify right side
   1,260,738x = 2,885,140,044,900
5. Step 5: Solve for x
   x = 2,885,140,044,900/1,260,738
6. Step 6: Final answer
   x = 2,288,453.31