Finding the Third Proportional to 9,142,105.50 and 19,040,863.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,142,105.50 : 19,040,863.50 = 19,040,863.50 : x
2. Step 2: Convert to fraction form
   9,142,105.50/19,040,863.50 = 19,040,863.50/x
3. Step 3: Cross multiply
   9,142,105.50x = 19,040,863.50 × 19,040,863.50
4. Step 4: Simplify right side
   9,142,105.50x = 362,554,482,825,632.25
5. Step 5: Solve for x
   x = 362,554,482,825,632.25/9,142,105.50
6. Step 6: Final answer
   x = 39,657,656.85