Finding the Third Proportional to 3,621,240 and 7,865,259

Step by Step Solution

1. Step 1: Write the proportion equation
   3,621,240 : 7,865,259 = 7,865,259 : x
2. Step 2: Convert to fraction form
   3,621,240/7,865,259 = 7,865,259/x
3. Step 3: Cross multiply
   3,621,240x = 7,865,259 × 7,865,259
4. Step 4: Simplify right side
   3,621,240x = 61,862,299,137,081
5. Step 5: Solve for x
   x = 61,862,299,137,081/3,621,240
6. Step 6: Final answer
   x = 17,083,181.21