Finding the Third Proportional to 758,344 and 1,142,322

Step by Step Solution

1. Step 1: Write the proportion equation
   758,344 : 1,142,322 = 1,142,322 : x
2. Step 2: Convert to fraction form
   758,344/1,142,322 = 1,142,322/x
3. Step 3: Cross multiply
   758,344x = 1,142,322 × 1,142,322
4. Step 4: Simplify right side
   758,344x = 1,304,899,551,684
5. Step 5: Solve for x
   x = 1,304,899,551,684/758,344
6. Step 6: Final answer
   x = 1,720,722.46