Finding the Third Proportional to 1,659,554 and 3,640,388

Step by Step Solution

1. Step 1: Write the proportion equation
   1,659,554 : 3,640,388 = 3,640,388 : x
2. Step 2: Convert to fraction form
   1,659,554/3,640,388 = 3,640,388/x
3. Step 3: Cross multiply
   1,659,554x = 3,640,388 × 3,640,388
4. Step 4: Simplify right side
   1,659,554x = 13,252,424,790,544
5. Step 5: Solve for x
   x = 13,252,424,790,544/1,659,554
6. Step 6: Final answer
   x = 7,985,533.94