Finding the Third Proportional to 69,025.50 and 109,100.25

Step by Step Solution

1. Step 1: Write the proportion equation
   69,025.50 : 109,100.25 = 109,100.25 : x
2. Step 2: Convert to fraction form
   69,025.50/109,100.25 = 109,100.25/x
3. Step 3: Cross multiply
   69,025.50x = 109,100.25 × 109,100.25
4. Step 4: Simplify right side
   69,025.50x = 11,902,864,550.06
5. Step 5: Solve for x
   x = 11,902,864,550.06/69,025.50
6. Step 6: Final answer
   x = 172,441.55