Finding the Third Proportional to 42,627.75 and 66,871.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,627.75 : 66,871.50 = 66,871.50 : x
2. Step 2: Convert to fraction form
   42,627.75/66,871.50 = 66,871.50/x
3. Step 3: Cross multiply
   42,627.75x = 66,871.50 × 66,871.50
4. Step 4: Simplify right side
   42,627.75x = 4,471,797,512.25
5. Step 5: Solve for x
   x = 4,471,797,512.25/42,627.75
6. Step 6: Final answer
   x = 104,903.44