Finding the Third Proportional to 9,554 and 21,458

Step by Step Solution

1. Step 1: Write the proportion equation
   9,554 : 21,458 = 21,458 : x
2. Step 2: Convert to fraction form
   9,554/21,458 = 21,458/x
3. Step 3: Cross multiply
   9,554x = 21,458 × 21,458
4. Step 4: Simplify right side
   9,554x = 460,445,764
5. Step 5: Solve for x
   x = 460,445,764/9,554
6. Step 6: Final answer
   x = 48,194.03