Finding the Third Proportional to 38,709 and 56,570.25

Step by Step Solution

1. Step 1: Write the proportion equation
   38,709 : 56,570.25 = 56,570.25 : x
2. Step 2: Convert to fraction form
   38,709/56,570.25 = 56,570.25/x
3. Step 3: Cross multiply
   38,709x = 56,570.25 × 56,570.25
4. Step 4: Simplify right side
   38,709x = 3,200,193,185.06
5. Step 5: Solve for x
   x = 3,200,193,185.06/38,709
6. Step 6: Final answer
   x = 82,673.10