Finding the Third Proportional to 69,309 and 104,456.25

Step by Step Solution

1. Step 1: Write the proportion equation
   69,309 : 104,456.25 = 104,456.25 : x
2. Step 2: Convert to fraction form
   69,309/104,456.25 = 104,456.25/x
3. Step 3: Cross multiply
   69,309x = 104,456.25 × 104,456.25
4. Step 4: Simplify right side
   69,309x = 10,911,108,164.06
5. Step 5: Solve for x
   x = 10,911,108,164.06/69,309
6. Step 6: Final answer
   x = 157,427.00