Finding the Third Proportional to 1,618,812 and 3,496,959

Step by Step Solution

1. Step 1: Write the proportion equation
   1,618,812 : 3,496,959 = 3,496,959 : x
2. Step 2: Convert to fraction form
   1,618,812/3,496,959 = 3,496,959/x
3. Step 3: Cross multiply
   1,618,812x = 3,496,959 × 3,496,959
4. Step 4: Simplify right side
   1,618,812x = 12,228,722,247,681
5. Step 5: Solve for x
   x = 12,228,722,247,681/1,618,812
6. Step 6: Final answer
   x = 7,554,133.68