Finding the Third Proportional to 3,621,243 and 7,865,265

Step by Step Solution

1. Step 1: Write the proportion equation
   3,621,243 : 7,865,265 = 7,865,265 : x
2. Step 2: Convert to fraction form
   3,621,243/7,865,265 = 7,865,265/x
3. Step 3: Cross multiply
   3,621,243x = 7,865,265 × 7,865,265
4. Step 4: Simplify right side
   3,621,243x = 61,862,393,520,225
5. Step 5: Solve for x
   x = 61,862,393,520,225/3,621,243
6. Step 6: Final answer
   x = 17,083,193.12