Finding the Third Proportional to 1,686,662 and 2,608,810

Step by Step Solution

1. Step 1: Write the proportion equation
   1,686,662 : 2,608,810 = 2,608,810 : x
2. Step 2: Convert to fraction form
   1,686,662/2,608,810 = 2,608,810/x
3. Step 3: Cross multiply
   1,686,662x = 2,608,810 × 2,608,810
4. Step 4: Simplify right side
   1,686,662x = 6,805,889,616,100
5. Step 5: Solve for x
   x = 6,805,889,616,100/1,686,662
6. Step 6: Final answer
   x = 4,035,123.58