Finding the Third Proportional to 39,449.25 and 84,912.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,449.25 : 84,912.75 = 84,912.75 : x
2. Step 2: Convert to fraction form
   39,449.25/84,912.75 = 84,912.75/x
3. Step 3: Cross multiply
   39,449.25x = 84,912.75 × 84,912.75
4. Step 4: Simplify right side
   39,449.25x = 7,210,175,112.56
5. Step 5: Solve for x
   x = 7,210,175,112.56/39,449.25
6. Step 6: Final answer
   x = 182,770.90