Finding the Third Proportional to 91,914,914 and 199,147,936

Step by Step Solution

1. Step 1: Write the proportion equation
   91,914,914 : 199,147,936 = 199,147,936 : x
2. Step 2: Convert to fraction form
   91,914,914/199,147,936 = 199,147,936/x
3. Step 3: Cross multiply
   91,914,914x = 199,147,936 × 199,147,936
4. Step 4: Simplify right side
   91,914,914x = 39,659,900,413,060,096
5. Step 5: Solve for x
   x = 39,659,900,413,060,096/91,914,914
6. Step 6: Final answer
   x = 431,484,931.96