Finding the Third Proportional to 680,108 and 1,489,492

Step by Step Solution

1. Step 1: Write the proportion equation
   680,108 : 1,489,492 = 1,489,492 : x
2. Step 2: Convert to fraction form
   680,108/1,489,492 = 1,489,492/x
3. Step 3: Cross multiply
   680,108x = 1,489,492 × 1,489,492
4. Step 4: Simplify right side
   680,108x = 2,218,586,418,064
5. Step 5: Solve for x
   x = 2,218,586,418,064/680,108
6. Step 6: Final answer
   x = 3,262,108.99