Finding the Third Proportional to 140,912 and 191,928

Step by Step Solution

1. Step 1: Write the proportion equation
   140,912 : 191,928 = 191,928 : x
2. Step 2: Convert to fraction form
   140,912/191,928 = 191,928/x
3. Step 3: Cross multiply
   140,912x = 191,928 × 191,928
4. Step 4: Simplify right side
   140,912x = 36,836,357,184
5. Step 5: Solve for x
   x = 36,836,357,184/140,912
6. Step 6: Final answer
   x = 261,413.91