Finding the Third Proportional to 665,968 and 1,059,240

Step by Step Solution

1. Step 1: Write the proportion equation
   665,968 : 1,059,240 = 1,059,240 : x
2. Step 2: Convert to fraction form
   665,968/1,059,240 = 1,059,240/x
3. Step 3: Cross multiply
   665,968x = 1,059,240 × 1,059,240
4. Step 4: Simplify right side
   665,968x = 1,121,989,377,600
5. Step 5: Solve for x
   x = 1,121,989,377,600/665,968
6. Step 6: Final answer
   x = 1,684,749.68