Finding the Third Proportional to 7,970,144 and 16,507,405

Step by Step Solution

1. Step 1: Write the proportion equation
   7,970,144 : 16,507,405 = 16,507,405 : x
2. Step 2: Convert to fraction form
   7,970,144/16,507,405 = 16,507,405/x
3. Step 3: Cross multiply
   7,970,144x = 16,507,405 × 16,507,405
4. Step 4: Simplify right side
   7,970,144x = 272,494,419,834,025
5. Step 5: Solve for x
   x = 272,494,419,834,025/7,970,144
6. Step 6: Final answer
   x = 34,189,397.31