Finding the Third Proportional to 1,673,816 and 3,660,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,673,816 : 3,660,616 = 3,660,616 : x
2. Step 2: Convert to fraction form
   1,673,816/3,660,616 = 3,660,616/x
3. Step 3: Cross multiply
   1,673,816x = 3,660,616 × 3,660,616
4. Step 4: Simplify right side
   1,673,816x = 13,400,109,499,456
5. Step 5: Solve for x
   x = 13,400,109,499,456/1,673,816
6. Step 6: Final answer
   x = 8,005,724.34