Finding the Third Proportional to 675,712 and 1,069,872

Step by Step Solution

1. Step 1: Write the proportion equation
   675,712 : 1,069,872 = 1,069,872 : x
2. Step 2: Convert to fraction form
   675,712/1,069,872 = 1,069,872/x
3. Step 3: Cross multiply
   675,712x = 1,069,872 × 1,069,872
4. Step 4: Simplify right side
   675,712x = 1,144,626,096,384
5. Step 5: Solve for x
   x = 1,144,626,096,384/675,712
6. Step 6: Final answer
   x = 1,693,955.56