Finding the Third Proportional to 864,616 and 1,381,244

Step by Step Solution

1. Step 1: Write the proportion equation
   864,616 : 1,381,244 = 1,381,244 : x
2. Step 2: Convert to fraction form
   864,616/1,381,244 = 1,381,244/x
3. Step 3: Cross multiply
   864,616x = 1,381,244 × 1,381,244
4. Step 4: Simplify right side
   864,616x = 1,907,834,987,536
5. Step 5: Solve for x
   x = 1,907,834,987,536/864,616
6. Step 6: Final answer
   x = 2,206,569.14