Finding the Third Proportional to 1,831.50 and 2,840.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,831.50 : 2,840.63 = 2,840.63 : x
2. Step 2: Convert to fraction form
   1,831.50/2,840.63 = 2,840.63/x
3. Step 3: Cross multiply
   1,831.50x = 2,840.63 × 2,840.63
4. Step 4: Simplify right side
   1,831.50x = 8,069,150.39
5. Step 5: Solve for x
   x = 8,069,150.39/1,831.50
6. Step 6: Final answer
   x = 4,405.76