Finding the Third Proportional to 3,216,814 and 4,900,691

Step by Step Solution

1. Step 1: Write the proportion equation
   3,216,814 : 4,900,691 = 4,900,691 : x
2. Step 2: Convert to fraction form
   3,216,814/4,900,691 = 4,900,691/x
3. Step 3: Cross multiply
   3,216,814x = 4,900,691 × 4,900,691
4. Step 4: Simplify right side
   3,216,814x = 24,016,772,277,481
5. Step 5: Solve for x
   x = 24,016,772,277,481/3,216,814
6. Step 6: Final answer
   x = 7,466,012.11