Finding the Third Proportional to 3,521,436 and 7,717,926

Step by Step Solution

1. Step 1: Write the proportion equation
   3,521,436 : 7,717,926 = 7,717,926 : x
2. Step 2: Convert to fraction form
   3,521,436/7,717,926 = 7,717,926/x
3. Step 3: Cross multiply
   3,521,436x = 7,717,926 × 7,717,926
4. Step 4: Simplify right side
   3,521,436x = 59,566,381,741,476
5. Step 5: Solve for x
   x = 59,566,381,741,476/3,521,436
6. Step 6: Final answer
   x = 16,915,366.84