Finding the Third Proportional to 1,684,692 and 3,976,992

Step by Step Solution

1. Step 1: Write the proportion equation
   1,684,692 : 3,976,992 = 3,976,992 : x
2. Step 2: Convert to fraction form
   1,684,692/3,976,992 = 3,976,992/x
3. Step 3: Cross multiply
   1,684,692x = 3,976,992 × 3,976,992
4. Step 4: Simplify right side
   1,684,692x = 15,816,465,368,064
5. Step 5: Solve for x
   x = 15,816,465,368,064/1,684,692
6. Step 6: Final answer
   x = 9,388,342.42