Finding the Third Proportional to 486,112 and 1,067,840

Step by Step Solution

1. Step 1: Write the proportion equation
   486,112 : 1,067,840 = 1,067,840 : x
2. Step 2: Convert to fraction form
   486,112/1,067,840 = 1,067,840/x
3. Step 3: Cross multiply
   486,112x = 1,067,840 × 1,067,840
4. Step 4: Simplify right side
   486,112x = 1,140,282,265,600
5. Step 5: Solve for x
   x = 1,140,282,265,600/486,112
6. Step 6: Final answer
   x = 2,345,719.23