Finding the Third Proportional to 12,558 and 20,073

Step by Step Solution

1. Step 1: Write the proportion equation
   12,558 : 20,073 = 20,073 : x
2. Step 2: Convert to fraction form
   12,558/20,073 = 20,073/x
3. Step 3: Cross multiply
   12,558x = 20,073 × 20,073
4. Step 4: Simplify right side
   12,558x = 402,925,329
5. Step 5: Solve for x
   x = 402,925,329/12,558
6. Step 6: Final answer
   x = 32,085.15