Finding the Third Proportional to 3,292,419 and 7,188,126

Step by Step Solution

1. Step 1: Write the proportion equation
   3,292,419 : 7,188,126 = 7,188,126 : x
2. Step 2: Convert to fraction form
   3,292,419/7,188,126 = 7,188,126/x
3. Step 3: Cross multiply
   3,292,419x = 7,188,126 × 7,188,126
4. Step 4: Simplify right side
   3,292,419x = 51,669,155,391,876
5. Step 5: Solve for x
   x = 51,669,155,391,876/3,292,419
6. Step 6: Final answer
   x = 15,693,371.77