Finding the Third Proportional to 1,618,814 and 3,496,963

Step by Step Solution

1. Step 1: Write the proportion equation
   1,618,814 : 3,496,963 = 3,496,963 : x
2. Step 2: Convert to fraction form
   1,618,814/3,496,963 = 3,496,963/x
3. Step 3: Cross multiply
   1,618,814x = 3,496,963 × 3,496,963
4. Step 4: Simplify right side
   1,618,814x = 12,228,750,223,369
5. Step 5: Solve for x
   x = 12,228,750,223,369/1,618,814
6. Step 6: Final answer
   x = 7,554,141.63