Finding the Third Proportional to 9,055.13 and 21,166.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,055.13 : 21,166.31 = 21,166.31 : x
2. Step 2: Convert to fraction form
   9,055.13/21,166.31 = 21,166.31/x
3. Step 3: Cross multiply
   9,055.13x = 21,166.31 × 21,166.31
4. Step 4: Simplify right side
   9,055.13x = 448,012,784.85
5. Step 5: Solve for x
   x = 448,012,784.85/9,055.13
6. Step 6: Final answer
   x = 49,476.16