Finding the Third Proportional to 3,965,750 and 5,350,729

Step by Step Solution

1. Step 1: Write the proportion equation
   3,965,750 : 5,350,729 = 5,350,729 : x
2. Step 2: Convert to fraction form
   3,965,750/5,350,729 = 5,350,729/x
3. Step 3: Cross multiply
   3,965,750x = 5,350,729 × 5,350,729
4. Step 4: Simplify right side
   3,965,750x = 28,630,300,831,441
5. Step 5: Solve for x
   x = 28,630,300,831,441/3,965,750
6. Step 6: Final answer
   x = 7,219,391.25