Finding the Third Proportional to 6,280,351 and 9,961,040

Step by Step Solution

1. Step 1: Write the proportion equation
   6,280,351 : 9,961,040 = 9,961,040 : x
2. Step 2: Convert to fraction form
   6,280,351/9,961,040 = 9,961,040/x
3. Step 3: Cross multiply
   6,280,351x = 9,961,040 × 9,961,040
4. Step 4: Simplify right side
   6,280,351x = 99,222,317,881,600
5. Step 5: Solve for x
   x = 99,222,317,881,600/6,280,351
6. Step 6: Final answer
   x = 15,798,849.12