Finding the Third Proportional to 680,196 and 1,489,680

Step by Step Solution

1. Step 1: Write the proportion equation
   680,196 : 1,489,680 = 1,489,680 : x
2. Step 2: Convert to fraction form
   680,196/1,489,680 = 1,489,680/x
3. Step 3: Cross multiply
   680,196x = 1,489,680 × 1,489,680
4. Step 4: Simplify right side
   680,196x = 2,219,146,502,400
5. Step 5: Solve for x
   x = 2,219,146,502,400/680,196
6. Step 6: Final answer
   x = 3,262,510.37