Finding the Third Proportional to 1,640,275 and 3,550,118

Step by Step Solution

1. Step 1: Write the proportion equation
   1,640,275 : 3,550,118 = 3,550,118 : x
2. Step 2: Convert to fraction form
   1,640,275/3,550,118 = 3,550,118/x
3. Step 3: Cross multiply
   1,640,275x = 3,550,118 × 3,550,118
4. Step 4: Simplify right side
   1,640,275x = 12,603,337,813,924
5. Step 5: Solve for x
   x = 12,603,337,813,924/1,640,275
6. Step 6: Final answer
   x = 7,683,673.66