Finding the Third Proportional to 607,838 and 1,322,705

Step by Step Solution

1. Step 1: Write the proportion equation
   607,838 : 1,322,705 = 1,322,705 : x
2. Step 2: Convert to fraction form
   607,838/1,322,705 = 1,322,705/x
3. Step 3: Cross multiply
   607,838x = 1,322,705 × 1,322,705
4. Step 4: Simplify right side
   607,838x = 1,749,548,517,025
5. Step 5: Solve for x
   x = 1,749,548,517,025/607,838
6. Step 6: Final answer
   x = 2,878,313.82