Finding the Third Proportional to 879,599 and 1,921,144

Step by Step Solution

1. Step 1: Write the proportion equation
   879,599 : 1,921,144 = 1,921,144 : x
2. Step 2: Convert to fraction form
   879,599/1,921,144 = 1,921,144/x
3. Step 3: Cross multiply
   879,599x = 1,921,144 × 1,921,144
4. Step 4: Simplify right side
   879,599x = 3,690,794,268,736
5. Step 5: Solve for x
   x = 3,690,794,268,736/879,599
6. Step 6: Final answer
   x = 4,195,996.44