Finding the Third Proportional to 1,106.31 and 2,387.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,106.31 : 2,387.76 = 2,387.76 : x
2. Step 2: Convert to fraction form
   1,106.31/2,387.76 = 2,387.76/x
3. Step 3: Cross multiply
   1,106.31x = 2,387.76 × 2,387.76
4. Step 4: Simplify right side
   1,106.31x = 5,701,396.70
5. Step 5: Solve for x
   x = 5,701,396.70/1,106.31
6. Step 6: Final answer
   x = 5,153.50