Finding the Third Proportional to 91,835,450 and 199,812,900

Step by Step Solution

1. Step 1: Write the proportion equation
   91,835,450 : 199,812,900 = 199,812,900 : x
2. Step 2: Convert to fraction form
   91,835,450/199,812,900 = 199,812,900/x
3. Step 3: Cross multiply
   91,835,450x = 199,812,900 × 199,812,900
4. Step 4: Simplify right side
   91,835,450x = 39,925,195,006,410,000
5. Step 5: Solve for x
   x = 39,925,195,006,410,000/91,835,450
6. Step 6: Final answer
   x = 434,747,093.92