Finding the Third Proportional to 69,724.50 and 104,745.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,724.50 : 104,745.50 = 104,745.50 : x
2. Step 2: Convert to fraction form
   69,724.50/104,745.50 = 104,745.50/x
3. Step 3: Cross multiply
   69,724.50x = 104,745.50 × 104,745.50
4. Step 4: Simplify right side
   69,724.50x = 10,971,619,770.25
5. Step 5: Solve for x
   x = 10,971,619,770.25/69,724.50
6. Step 6: Final answer
   x = 157,356.74