Finding the Third Proportional to 1,445.77 and 2,112.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,445.77 : 2,112.33 = 2,112.33 : x
2. Step 2: Convert to fraction form
   1,445.77/2,112.33 = 2,112.33/x
3. Step 3: Cross multiply
   1,445.77x = 2,112.33 × 2,112.33
4. Step 4: Simplify right side
   1,445.77x = 4,461,930.11
5. Step 5: Solve for x
   x = 4,461,930.11/1,445.77
6. Step 6: Final answer
   x = 3,086.21