Finding the Third Proportional to 69,871.25 and 150,808.50

Step by Step Solution

1. Step 1: Write the proportion equation
   69,871.25 : 150,808.50 = 150,808.50 : x
2. Step 2: Convert to fraction form
   69,871.25/150,808.50 = 150,808.50/x
3. Step 3: Cross multiply
   69,871.25x = 150,808.50 × 150,808.50
4. Step 4: Simplify right side
   69,871.25x = 22,743,203,672.25
5. Step 5: Solve for x
   x = 22,743,203,672.25/69,871.25
6. Step 6: Final answer
   x = 325,501.60