Finding the Third Proportional to 3,545,286 and 7,515,948

Step by Step Solution

1. Step 1: Write the proportion equation
   3,545,286 : 7,515,948 = 7,515,948 : x
2. Step 2: Convert to fraction form
   3,545,286/7,515,948 = 7,515,948/x
3. Step 3: Cross multiply
   3,545,286x = 7,515,948 × 7,515,948
4. Step 4: Simplify right side
   3,545,286x = 56,489,474,338,704
5. Step 5: Solve for x
   x = 56,489,474,338,704/3,545,286
6. Step 6: Final answer
   x = 15,933,686.12