Finding the Third Proportional to 842,880 and 1,828,608

Step by Step Solution

1. Step 1: Write the proportion equation
   842,880 : 1,828,608 = 1,828,608 : x
2. Step 2: Convert to fraction form
   842,880/1,828,608 = 1,828,608/x
3. Step 3: Cross multiply
   842,880x = 1,828,608 × 1,828,608
4. Step 4: Simplify right side
   842,880x = 3,343,807,217,664
5. Step 5: Solve for x
   x = 3,343,807,217,664/842,880
6. Step 6: Final answer
   x = 3,967,121.32