Finding the Third Proportional to 5,142,490.50 and 10,968,418.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,142,490.50 : 10,968,418.50 = 10,968,418.50 : x
2. Step 2: Convert to fraction form
   5,142,490.50/10,968,418.50 = 10,968,418.50/x
3. Step 3: Cross multiply
   5,142,490.50x = 10,968,418.50 × 10,968,418.50
4. Step 4: Simplify right side
   5,142,490.50x = 120,306,204,391,142.25
5. Step 5: Solve for x
   x = 120,306,204,391,142.25/5,142,490.50
6. Step 6: Final answer
   x = 23,394,540.91