Finding the Third Proportional to 1,456.31 and 3,618.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456.31 : 3,618.84 = 3,618.84 : x
2. Step 2: Convert to fraction form
   1,456.31/3,618.84 = 3,618.84/x
3. Step 3: Cross multiply
   1,456.31x = 3,618.84 × 3,618.84
4. Step 4: Simplify right side
   1,456.31x = 13,096,030.09
5. Step 5: Solve for x
   x = 13,096,030.09/1,456.31
6. Step 6: Final answer
   x = 8,992.60