Finding the Third Proportional to 1,509,987 and 3,194,871

Step by Step Solution

1. Step 1: Write the proportion equation
   1,509,987 : 3,194,871 = 3,194,871 : x
2. Step 2: Convert to fraction form
   1,509,987/3,194,871 = 3,194,871/x
3. Step 3: Cross multiply
   1,509,987x = 3,194,871 × 3,194,871
4. Step 4: Simplify right side
   1,509,987x = 10,207,200,706,641
5. Step 5: Solve for x
   x = 10,207,200,706,641/1,509,987
6. Step 6: Final answer
   x = 6,759,793.76