Finding the Third Proportional to 680,161 and 1,016,688

Step by Step Solution

1. Step 1: Write the proportion equation
   680,161 : 1,016,688 = 1,016,688 : x
2. Step 2: Convert to fraction form
   680,161/1,016,688 = 1,016,688/x
3. Step 3: Cross multiply
   680,161x = 1,016,688 × 1,016,688
4. Step 4: Simplify right side
   680,161x = 1,033,654,489,344
5. Step 5: Solve for x
   x = 1,033,654,489,344/680,161
6. Step 6: Final answer
   x = 1,519,720.32