Finding the Third Proportional to 91,006,914 and 196,558,606.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,006,914 : 196,558,606.50 = 196,558,606.50 : x
2. Step 2: Convert to fraction form
   91,006,914/196,558,606.50 = 196,558,606.50/x
3. Step 3: Cross multiply
   91,006,914x = 196,558,606.50 × 196,558,606.50
4. Step 4: Simplify right side
   91,006,914x = 38,635,285,789,221,840
5. Step 5: Solve for x
   x = 38,635,285,789,221,840/91,006,914
6. Step 6: Final answer
   x = 424,531,325.05