Finding the Third Proportional to 3,907,729 and 8,235,298

Step by Step Solution

1. Step 1: Write the proportion equation
   3,907,729 : 8,235,298 = 8,235,298 : x
2. Step 2: Convert to fraction form
   3,907,729/8,235,298 = 8,235,298/x
3. Step 3: Cross multiply
   3,907,729x = 8,235,298 × 8,235,298
4. Step 4: Simplify right side
   3,907,729x = 67,820,133,148,804
5. Step 5: Solve for x
   x = 67,820,133,148,804/3,907,729
6. Step 6: Final answer
   x = 17,355,382.92