Finding the Third Proportional to 3,515,696 and 7,704,431

Step by Step Solution

1. Step 1: Write the proportion equation
   3,515,696 : 7,704,431 = 7,704,431 : x
2. Step 2: Convert to fraction form
   3,515,696/7,704,431 = 7,704,431/x
3. Step 3: Cross multiply
   3,515,696x = 7,704,431 × 7,704,431
4. Step 4: Simplify right side
   3,515,696x = 59,358,257,033,761
5. Step 5: Solve for x
   x = 59,358,257,033,761/3,515,696
6. Step 6: Final answer
   x = 16,883,785.47