Finding the Third Proportional to 9,142,147 and 19,040,965.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,142,147 : 19,040,965.50 = 19,040,965.50 : x
2. Step 2: Convert to fraction form
   9,142,147/19,040,965.50 = 19,040,965.50/x
3. Step 3: Cross multiply
   9,142,147x = 19,040,965.50 × 19,040,965.50
4. Step 4: Simplify right side
   9,142,147x = 362,558,367,172,190.25
5. Step 5: Solve for x
   x = 362,558,367,172,190.25/9,142,147
6. Step 6: Final answer
   x = 39,657,901.71