Finding the Third Proportional to 712,984 and 1,065,872

Step by Step Solution

1. Step 1: Write the proportion equation
   712,984 : 1,065,872 = 1,065,872 : x
2. Step 2: Convert to fraction form
   712,984/1,065,872 = 1,065,872/x
3. Step 3: Cross multiply
   712,984x = 1,065,872 × 1,065,872
4. Step 4: Simplify right side
   712,984x = 1,136,083,120,384
5. Step 5: Solve for x
   x = 1,136,083,120,384/712,984
6. Step 6: Final answer
   x = 1,593,420.22