Finding the Third Proportional to 11,072.64 and 23,990.55

Step by Step Solution

1. Step 1: Write the proportion equation
   11,072.64 : 23,990.55 = 23,990.55 : x
2. Step 2: Convert to fraction form
   11,072.64/23,990.55 = 23,990.55/x
3. Step 3: Cross multiply
   11,072.64x = 23,990.55 × 23,990.55
4. Step 4: Simplify right side
   11,072.64x = 575,546,714.21
5. Step 5: Solve for x
   x = 575,546,714.21/11,072.64
6. Step 6: Final answer
   x = 51,979.19