Finding the Third Proportional to 8,886.38 and 20,572.31

Step by Step Solution

1. Step 1: Write the proportion equation
   8,886.38 : 20,572.31 = 20,572.31 : x
2. Step 2: Convert to fraction form
   8,886.38/20,572.31 = 20,572.31/x
3. Step 3: Cross multiply
   8,886.38x = 20,572.31 × 20,572.31
4. Step 4: Simplify right side
   8,886.38x = 423,220,041.60
5. Step 5: Solve for x
   x = 423,220,041.60/8,886.38
6. Step 6: Final answer
   x = 47,625.72