Finding the Third Proportional to 38,251.75 and 42,147.25

Step by Step Solution

1. Step 1: Write the proportion equation
   38,251.75 : 42,147.25 = 42,147.25 : x
2. Step 2: Convert to fraction form
   38,251.75/42,147.25 = 42,147.25/x
3. Step 3: Cross multiply
   38,251.75x = 42,147.25 × 42,147.25
4. Step 4: Simplify right side
   38,251.75x = 1,776,390,682.56
5. Step 5: Solve for x
   x = 1,776,390,682.56/38,251.75
6. Step 6: Final answer
   x = 46,439.46