Finding the Third Proportional to 5,086,494 and 7,681,581

Step by Step Solution

1. Step 1: Write the proportion equation
   5,086,494 : 7,681,581 = 7,681,581 : x
2. Step 2: Convert to fraction form
   5,086,494/7,681,581 = 7,681,581/x
3. Step 3: Cross multiply
   5,086,494x = 7,681,581 × 7,681,581
4. Step 4: Simplify right side
   5,086,494x = 59,006,686,659,561
5. Step 5: Solve for x
   x = 59,006,686,659,561/5,086,494
6. Step 6: Final answer
   x = 11,600,659.84