Finding the Third Proportional to 1,683,315 and 3,586,509

Step by Step Solution

1. Step 1: Write the proportion equation
   1,683,315 : 3,586,509 = 3,586,509 : x
2. Step 2: Convert to fraction form
   1,683,315/3,586,509 = 3,586,509/x
3. Step 3: Cross multiply
   1,683,315x = 3,586,509 × 3,586,509
4. Step 4: Simplify right side
   1,683,315x = 12,863,046,807,081
5. Step 5: Solve for x
   x = 12,863,046,807,081/1,683,315
6. Step 6: Final answer
   x = 7,641,497.17