Finding the Third Proportional to 1,831.99 and 4,428.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,831.99 : 4,428.11 = 4,428.11 : x
2. Step 2: Convert to fraction form
   1,831.99/4,428.11 = 4,428.11/x
3. Step 3: Cross multiply
   1,831.99x = 4,428.11 × 4,428.11
4. Step 4: Simplify right side
   1,831.99x = 19,608,118.04
5. Step 5: Solve for x
   x = 19,608,118.04/1,831.99
6. Step 6: Final answer
   x = 10,703.17