Finding the Third Proportional to 861,344 and 1,322,140

Step by Step Solution

1. Step 1: Write the proportion equation
   861,344 : 1,322,140 = 1,322,140 : x
2. Step 2: Convert to fraction form
   861,344/1,322,140 = 1,322,140/x
3. Step 3: Cross multiply
   861,344x = 1,322,140 × 1,322,140
4. Step 4: Simplify right side
   861,344x = 1,748,054,179,600
5. Step 5: Solve for x
   x = 1,748,054,179,600/861,344
6. Step 6: Final answer
   x = 2,029,449.53