Finding the Third Proportional to 675,384 and 1,069,456

Step by Step Solution

1. Step 1: Write the proportion equation
   675,384 : 1,069,456 = 1,069,456 : x
2. Step 2: Convert to fraction form
   675,384/1,069,456 = 1,069,456/x
3. Step 3: Cross multiply
   675,384x = 1,069,456 × 1,069,456
4. Step 4: Simplify right side
   675,384x = 1,143,736,135,936
5. Step 5: Solve for x
   x = 1,143,736,135,936/675,384
6. Step 6: Final answer
   x = 1,693,460.51