Finding the Third Proportional to 69,223.50 and 108,448.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,223.50 : 108,448.50 = 108,448.50 : x
2. Step 2: Convert to fraction form
   69,223.50/108,448.50 = 108,448.50/x
3. Step 3: Cross multiply
   69,223.50x = 108,448.50 × 108,448.50
4. Step 4: Simplify right side
   69,223.50x = 11,761,077,152.25
5. Step 5: Solve for x
   x = 11,761,077,152.25/69,223.50
6. Step 6: Final answer
   x = 169,900.07