Finding the Third Proportional to 91,914,912 and 199,147,932

Step by Step Solution

1. Step 1: Write the proportion equation
   91,914,912 : 199,147,932 = 199,147,932 : x
2. Step 2: Convert to fraction form
   91,914,912/199,147,932 = 199,147,932/x
3. Step 3: Cross multiply
   91,914,912x = 199,147,932 × 199,147,932
4. Step 4: Simplify right side
   91,914,912x = 39,659,898,819,876,624
5. Step 5: Solve for x
   x = 39,659,898,819,876,624/91,914,912
6. Step 6: Final answer
   x = 431,484,924.01