Finding the Third Proportional to 672,208 and 1,064,912

Step by Step Solution

1. Step 1: Write the proportion equation
   672,208 : 1,064,912 = 1,064,912 : x
2. Step 2: Convert to fraction form
   672,208/1,064,912 = 1,064,912/x
3. Step 3: Cross multiply
   672,208x = 1,064,912 × 1,064,912
4. Step 4: Simplify right side
   672,208x = 1,134,037,567,744
5. Step 5: Solve for x
   x = 1,134,037,567,744/672,208
6. Step 6: Final answer
   x = 1,687,033.73