Finding the Third Proportional to 19,431,342 and 41,553,105.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,431,342 : 41,553,105.50 = 41,553,105.50 : x
2. Step 2: Convert to fraction form
   19,431,342/41,553,105.50 = 41,553,105.50/x
3. Step 3: Cross multiply
   19,431,342x = 41,553,105.50 × 41,553,105.50
4. Step 4: Simplify right side
   19,431,342x = 1,726,660,576,694,130.25
5. Step 5: Solve for x
   x = 1,726,660,576,694,130.25/19,431,342
6. Step 6: Final answer
   x = 88,859,563.93