Finding the Third Proportional to 774,686 and 1,698,898

Step by Step Solution

1. Step 1: Write the proportion equation
   774,686 : 1,698,898 = 1,698,898 : x
2. Step 2: Convert to fraction form
   774,686/1,698,898 = 1,698,898/x
3. Step 3: Cross multiply
   774,686x = 1,698,898 × 1,698,898
4. Step 4: Simplify right side
   774,686x = 2,886,254,414,404
5. Step 5: Solve for x
   x = 2,886,254,414,404/774,686
6. Step 6: Final answer
   x = 3,725,708.76