Finding the Third Proportional to 43,238.25 and 55,248.75

Step by Step Solution

1. Step 1: Write the proportion equation
   43,238.25 : 55,248.75 = 55,248.75 : x
2. Step 2: Convert to fraction form
   43,238.25/55,248.75 = 55,248.75/x
3. Step 3: Cross multiply
   43,238.25x = 55,248.75 × 55,248.75
4. Step 4: Simplify right side
   43,238.25x = 3,052,424,376.56
5. Step 5: Solve for x
   x = 3,052,424,376.56/43,238.25
6. Step 6: Final answer
   x = 70,595.47