Finding the Third Proportional to 5,680,908 and 7,990,576

Step by Step Solution

1. Step 1: Write the proportion equation
   5,680,908 : 7,990,576 = 7,990,576 : x
2. Step 2: Convert to fraction form
   5,680,908/7,990,576 = 7,990,576/x
3. Step 3: Cross multiply
   5,680,908x = 7,990,576 × 7,990,576
4. Step 4: Simplify right side
   5,680,908x = 63,849,304,811,776
5. Step 5: Solve for x
   x = 63,849,304,811,776/5,680,908
6. Step 6: Final answer
   x = 11,239,278.09