Finding the Third Proportional to 67,809 and 100,331.25

Step by Step Solution

1. Step 1: Write the proportion equation
   67,809 : 100,331.25 = 100,331.25 : x
2. Step 2: Convert to fraction form
   67,809/100,331.25 = 100,331.25/x
3. Step 3: Cross multiply
   67,809x = 100,331.25 × 100,331.25
4. Step 4: Simplify right side
   67,809x = 10,066,359,726.56
5. Step 5: Solve for x
   x = 10,066,359,726.56/67,809
6. Step 6: Final answer
   x = 148,451.68