Finding the Third Proportional to 3,294,716 and 7,219,288

Step by Step Solution

1. Step 1: Write the proportion equation
   3,294,716 : 7,219,288 = 7,219,288 : x
2. Step 2: Convert to fraction form
   3,294,716/7,219,288 = 7,219,288/x
3. Step 3: Cross multiply
   3,294,716x = 7,219,288 × 7,219,288
4. Step 4: Simplify right side
   3,294,716x = 52,118,119,226,944
5. Step 5: Solve for x
   x = 52,118,119,226,944/3,294,716
6. Step 6: Final answer
   x = 15,818,698.55