Finding the Third Proportional to 2,438,538 and 5,359,769

Step by Step Solution

1. Step 1: Write the proportion equation
   2,438,538 : 5,359,769 = 5,359,769 : x
2. Step 2: Convert to fraction form
   2,438,538/5,359,769 = 5,359,769/x
3. Step 3: Cross multiply
   2,438,538x = 5,359,769 × 5,359,769
4. Step 4: Simplify right side
   2,438,538x = 28,727,123,733,361
5. Step 5: Solve for x
   x = 28,727,123,733,361/2,438,538
6. Step 6: Final answer
   x = 11,780,469.99