Finding the Third Proportional to 69,209.44 and 98,968.78

Step by Step Solution

1. Step 1: Write the proportion equation
   69,209.44 : 98,968.78 = 98,968.78 : x
2. Step 2: Convert to fraction form
   69,209.44/98,968.78 = 98,968.78/x
3. Step 3: Cross multiply
   69,209.44x = 98,968.78 × 98,968.78
4. Step 4: Simplify right side
   69,209.44x = 9,794,819,662.11
5. Step 5: Solve for x
   x = 9,794,819,662.11/69,209.44
6. Step 6: Final answer
   x = 141,524.34