Finding the Third Proportional to 91,914,229.50 and 199,146,936

Step by Step Solution

1. Step 1: Write the proportion equation
   91,914,229.50 : 199,146,936 = 199,146,936 : x
2. Step 2: Convert to fraction form
   91,914,229.50/199,146,936 = 199,146,936/x
3. Step 3: Cross multiply
   91,914,229.50x = 199,146,936 × 199,146,936
4. Step 4: Simplify right side
   91,914,229.50x = 39,659,502,118,188,096
5. Step 5: Solve for x
   x = 39,659,502,118,188,096/91,914,229.50
6. Step 6: Final answer
   x = 431,483,811.96