Finding the Third Proportional to 4,723,215 and 9,782,499

Step by Step Solution

1. Step 1: Write the proportion equation
   4,723,215 : 9,782,499 = 9,782,499 : x
2. Step 2: Convert to fraction form
   4,723,215/9,782,499 = 9,782,499/x
3. Step 3: Cross multiply
   4,723,215x = 9,782,499 × 9,782,499
4. Step 4: Simplify right side
   4,723,215x = 95,697,286,685,001
5. Step 5: Solve for x
   x = 95,697,286,685,001/4,723,215
6. Step 6: Final answer
   x = 20,261,048.18