Finding the Third Proportional to 1,111.31 and 2,384.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.31 : 2,384.63 = 2,384.63 : x
2. Step 2: Convert to fraction form
   1,111.31/2,384.63 = 2,384.63/x
3. Step 3: Cross multiply
   1,111.31x = 2,384.63 × 2,384.63
4. Step 4: Simplify right side
   1,111.31x = 5,686,436.39
5. Step 5: Solve for x
   x = 5,686,436.39/1,111.31
6. Step 6: Final answer
   x = 5,116.87