Finding the Third Proportional to 3,545,280 and 7,515,936

Step by Step Solution

1. Step 1: Write the proportion equation
   3,545,280 : 7,515,936 = 7,515,936 : x
2. Step 2: Convert to fraction form
   3,545,280/7,515,936 = 7,515,936/x
3. Step 3: Cross multiply
   3,545,280x = 7,515,936 × 7,515,936
4. Step 4: Simplify right side
   3,545,280x = 56,489,293,956,096
5. Step 5: Solve for x
   x = 56,489,293,956,096/3,545,280
6. Step 6: Final answer
   x = 15,933,662.21