Finding the Third Proportional to 1,384.59 and 1,913.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384.59 : 1,913.63 = 1,913.63 : x
2. Step 2: Convert to fraction form
   1,384.59/1,913.63 = 1,913.63/x
3. Step 3: Cross multiply
   1,384.59x = 1,913.63 × 1,913.63
4. Step 4: Simplify right side
   1,384.59x = 3,661,960.64
5. Step 5: Solve for x
   x = 3,661,960.64/1,384.59
6. Step 6: Final answer
   x = 2,644.79