Finding the Third Proportional to 91,914,900 and 199,147,908

Step by Step Solution

1. Step 1: Write the proportion equation
   91,914,900 : 199,147,908 = 199,147,908 : x
2. Step 2: Convert to fraction form
   91,914,900/199,147,908 = 199,147,908/x
3. Step 3: Cross multiply
   91,914,900x = 199,147,908 × 199,147,908
4. Step 4: Simplify right side
   91,914,900x = 39,659,889,260,776,464
5. Step 5: Solve for x
   x = 39,659,889,260,776,464/91,914,900
6. Step 6: Final answer
   x = 431,484,876.35