Finding the Third Proportional to 9,386 and 20,156

Step by Step Solution

1. Step 1: Write the proportion equation
   9,386 : 20,156 = 20,156 : x
2. Step 2: Convert to fraction form
   9,386/20,156 = 20,156/x
3. Step 3: Cross multiply
   9,386x = 20,156 × 20,156
4. Step 4: Simplify right side
   9,386x = 406,264,336
5. Step 5: Solve for x
   x = 406,264,336/9,386
6. Step 6: Final answer
   x = 43,284.08