Finding the Third Proportional to 484,422 and 1,042,878

Step by Step Solution

1. Step 1: Write the proportion equation
   484,422 : 1,042,878 = 1,042,878 : x
2. Step 2: Convert to fraction form
   484,422/1,042,878 = 1,042,878/x
3. Step 3: Cross multiply
   484,422x = 1,042,878 × 1,042,878
4. Step 4: Simplify right side
   484,422x = 1,087,594,522,884
5. Step 5: Solve for x
   x = 1,087,594,522,884/484,422
6. Step 6: Final answer
   x = 2,245,138.58