Finding the Third Proportional to 30,244.50 and 69,419.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,244.50 : 69,419.25 = 69,419.25 : x
2. Step 2: Convert to fraction form
   30,244.50/69,419.25 = 69,419.25/x
3. Step 3: Cross multiply
   30,244.50x = 69,419.25 × 69,419.25
4. Step 4: Simplify right side
   30,244.50x = 4,819,032,270.56
5. Step 5: Solve for x
   x = 4,819,032,270.56/30,244.50
6. Step 6: Final answer
   x = 159,335.82