Finding the Third Proportional to 3,965,803 and 5,350,805

Step by Step Solution

1. Step 1: Write the proportion equation
   3,965,803 : 5,350,805 = 5,350,805 : x
2. Step 2: Convert to fraction form
   3,965,803/5,350,805 = 5,350,805/x
3. Step 3: Cross multiply
   3,965,803x = 5,350,805 × 5,350,805
4. Step 4: Simplify right side
   3,965,803x = 28,631,114,148,025
5. Step 5: Solve for x
   x = 28,631,114,148,025/3,965,803
6. Step 6: Final answer
   x = 7,219,499.85