Finding the Third Proportional to 709,980 and 1,072,362

Step by Step Solution

1. Step 1: Write the proportion equation
   709,980 : 1,072,362 = 1,072,362 : x
2. Step 2: Convert to fraction form
   709,980/1,072,362 = 1,072,362/x
3. Step 3: Cross multiply
   709,980x = 1,072,362 × 1,072,362
4. Step 4: Simplify right side
   709,980x = 1,149,960,259,044
5. Step 5: Solve for x
   x = 1,149,960,259,044/709,980
6. Step 6: Final answer
   x = 1,619,707.96