Finding the Third Proportional to 680,200 and 1,016,745

Step by Step Solution

1. Step 1: Write the proportion equation
   680,200 : 1,016,745 = 1,016,745 : x
2. Step 2: Convert to fraction form
   680,200/1,016,745 = 1,016,745/x
3. Step 3: Cross multiply
   680,200x = 1,016,745 × 1,016,745
4. Step 4: Simplify right side
   680,200x = 1,033,770,395,025
5. Step 5: Solve for x
   x = 1,033,770,395,025/680,200
6. Step 6: Final answer
   x = 1,519,803.58