Finding the Third Proportional to 3,479,760 and 7,665,888

Step by Step Solution

1. Step 1: Write the proportion equation
   3,479,760 : 7,665,888 = 7,665,888 : x
2. Step 2: Convert to fraction form
   3,479,760/7,665,888 = 7,665,888/x
3. Step 3: Cross multiply
   3,479,760x = 7,665,888 × 7,665,888
4. Step 4: Simplify right side
   3,479,760x = 58,765,838,828,544
5. Step 5: Solve for x
   x = 58,765,838,828,544/3,479,760
6. Step 6: Final answer
   x = 16,887,899.98