Finding the Third Proportional to 6,280,868 and 9,961,950

Step by Step Solution

1. Step 1: Write the proportion equation
   6,280,868 : 9,961,950 = 9,961,950 : x
2. Step 2: Convert to fraction form
   6,280,868/9,961,950 = 9,961,950/x
3. Step 3: Cross multiply
   6,280,868x = 9,961,950 × 9,961,950
4. Step 4: Simplify right side
   6,280,868x = 99,240,447,802,500
5. Step 5: Solve for x
   x = 99,240,447,802,500/6,280,868
6. Step 6: Final answer
   x = 15,800,435.20