Finding the Third Proportional to 705,144 and 1,059,270

Step by Step Solution

1. Step 1: Write the proportion equation
   705,144 : 1,059,270 = 1,059,270 : x
2. Step 2: Convert to fraction form
   705,144/1,059,270 = 1,059,270/x
3. Step 3: Cross multiply
   705,144x = 1,059,270 × 1,059,270
4. Step 4: Simplify right side
   705,144x = 1,122,052,932,900
5. Step 5: Solve for x
   x = 1,122,052,932,900/705,144
6. Step 6: Final answer
   x = 1,591,239.42