Finding the Third Proportional to 91,001,538 and 194,757,655.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,001,538 : 194,757,655.50 = 194,757,655.50 : x
2. Step 2: Convert to fraction form
   91,001,538/194,757,655.50 = 194,757,655.50/x
3. Step 3: Cross multiply
   91,001,538x = 194,757,655.50 × 194,757,655.50
4. Step 4: Simplify right side
   91,001,538x = 37,930,544,375,856,680
5. Step 5: Solve for x
   x = 37,930,544,375,856,680/91,001,538
6. Step 6: Final answer
   x = 416,812,124.38