Finding the Third Proportional to 6,667,440 and 9,957,240

Step by Step Solution

1. Step 1: Write the proportion equation
   6,667,440 : 9,957,240 = 9,957,240 : x
2. Step 2: Convert to fraction form
   6,667,440/9,957,240 = 9,957,240/x
3. Step 3: Cross multiply
   6,667,440x = 9,957,240 × 9,957,240
4. Step 4: Simplify right side
   6,667,440x = 99,146,628,417,600
5. Step 5: Solve for x
   x = 99,146,628,417,600/6,667,440
6. Step 6: Final answer
   x = 14,870,269.31