Finding the Third Proportional to 4,648,189 and 7,105,442

Step by Step Solution

1. Step 1: Write the proportion equation
   4,648,189 : 7,105,442 = 7,105,442 : x
2. Step 2: Convert to fraction form
   4,648,189/7,105,442 = 7,105,442/x
3. Step 3: Cross multiply
   4,648,189x = 7,105,442 × 7,105,442
4. Step 4: Simplify right side
   4,648,189x = 50,487,306,015,364
5. Step 5: Solve for x
   x = 50,487,306,015,364/4,648,189
6. Step 6: Final answer
   x = 10,861,715.39