Finding the Third Proportional to 9,460 and 20,155

Step by Step Solution

1. Step 1: Write the proportion equation
   9,460 : 20,155 = 20,155 : x
2. Step 2: Convert to fraction form
   9,460/20,155 = 20,155/x
3. Step 3: Cross multiply
   9,460x = 20,155 × 20,155
4. Step 4: Simplify right side
   9,460x = 406,224,025
5. Step 5: Solve for x
   x = 406,224,025/9,460
6. Step 6: Final answer
   x = 42,941.23