Finding the Third Proportional to 1,621,464 and 3,554,256

Step by Step Solution

1. Step 1: Write the proportion equation
   1,621,464 : 3,554,256 = 3,554,256 : x
2. Step 2: Convert to fraction form
   1,621,464/3,554,256 = 3,554,256/x
3. Step 3: Cross multiply
   1,621,464x = 3,554,256 × 3,554,256
4. Step 4: Simplify right side
   1,621,464x = 12,632,735,713,536
5. Step 5: Solve for x
   x = 12,632,735,713,536/1,621,464
6. Step 6: Final answer
   x = 7,790,944.30