Finding the Third Proportional to 1,681,816 and 3,676,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,681,816 : 3,676,616 = 3,676,616 : x
2. Step 2: Convert to fraction form
   1,681,816/3,676,616 = 3,676,616/x
3. Step 3: Cross multiply
   1,681,816x = 3,676,616 × 3,676,616
4. Step 4: Simplify right side
   1,681,816x = 13,517,505,211,456
5. Step 5: Solve for x
   x = 13,517,505,211,456/1,681,816
6. Step 6: Final answer
   x = 8,037,445.96