Finding the Third Proportional to 19,141,538 and 28,726,311

Step by Step Solution

1. Step 1: Write the proportion equation
   19,141,538 : 28,726,311 = 28,726,311 : x
2. Step 2: Convert to fraction form
   19,141,538/28,726,311 = 28,726,311/x
3. Step 3: Cross multiply
   19,141,538x = 28,726,311 × 28,726,311
4. Step 4: Simplify right side
   19,141,538x = 825,200,943,668,721
5. Step 5: Solve for x
   x = 825,200,943,668,721/19,141,538
6. Step 6: Final answer
   x = 43,110,482.75