Finding the Third Proportional to 68,589.25 and 103,066.50

Step by Step Solution

1. Step 1: Write the proportion equation
   68,589.25 : 103,066.50 = 103,066.50 : x
2. Step 2: Convert to fraction form
   68,589.25/103,066.50 = 103,066.50/x
3. Step 3: Cross multiply
   68,589.25x = 103,066.50 × 103,066.50
4. Step 4: Simplify right side
   68,589.25x = 10,622,703,422.25
5. Step 5: Solve for x
   x = 10,622,703,422.25/68,589.25
6. Step 6: Final answer
   x = 154,874.17