Finding the Third Proportional to 680,159 and 1,016,685

Step by Step Solution

1. Step 1: Write the proportion equation
   680,159 : 1,016,685 = 1,016,685 : x
2. Step 2: Convert to fraction form
   680,159/1,016,685 = 1,016,685/x
3. Step 3: Cross multiply
   680,159x = 1,016,685 × 1,016,685
4. Step 4: Simplify right side
   680,159x = 1,033,648,389,225
5. Step 5: Solve for x
   x = 1,033,648,389,225/680,159
6. Step 6: Final answer
   x = 1,519,715.82