Finding the Third Proportional to 3,672,872 and 7,935,912

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672,872 : 7,935,912 = 7,935,912 : x
2. Step 2: Convert to fraction form
   3,672,872/7,935,912 = 7,935,912/x
3. Step 3: Cross multiply
   3,672,872x = 7,935,912 × 7,935,912
4. Step 4: Simplify right side
   3,672,872x = 62,978,699,271,744
5. Step 5: Solve for x
   x = 62,978,699,271,744/3,672,872
6. Step 6: Final answer
   x = 17,146,989.95