Finding the Third Proportional to 10,201.78 and 21,627.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,201.78 : 21,627.84 = 21,627.84 : x
2. Step 2: Convert to fraction form
   10,201.78/21,627.84 = 21,627.84/x
3. Step 3: Cross multiply
   10,201.78x = 21,627.84 × 21,627.84
4. Step 4: Simplify right side
   10,201.78x = 467,763,625.27
5. Step 5: Solve for x
   x = 467,763,625.27/10,201.78
6. Step 6: Final answer
   x = 45,851.17