Finding the Third Proportional to 3,436,174 and 7,403,425

Step by Step Solution

1. Step 1: Write the proportion equation
   3,436,174 : 7,403,425 = 7,403,425 : x
2. Step 2: Convert to fraction form
   3,436,174/7,403,425 = 7,403,425/x
3. Step 3: Cross multiply
   3,436,174x = 7,403,425 × 7,403,425
4. Step 4: Simplify right side
   3,436,174x = 54,810,701,730,625
5. Step 5: Solve for x
   x = 54,810,701,730,625/3,436,174
6. Step 6: Final answer
   x = 15,951,084.47