Finding the Third Proportional to 755,112 and 1,142,340

Step by Step Solution

1. Step 1: Write the proportion equation
   755,112 : 1,142,340 = 1,142,340 : x
2. Step 2: Convert to fraction form
   755,112/1,142,340 = 1,142,340/x
3. Step 3: Cross multiply
   755,112x = 1,142,340 × 1,142,340
4. Step 4: Simplify right side
   755,112x = 1,304,940,675,600
5. Step 5: Solve for x
   x = 1,304,940,675,600/755,112
6. Step 6: Final answer
   x = 1,728,141.89