Finding the Third Proportional to 1,627,621 and 3,535,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627,621 : 3,535,456 = 3,535,456 : x
2. Step 2: Convert to fraction form
   1,627,621/3,535,456 = 3,535,456/x
3. Step 3: Cross multiply
   1,627,621x = 3,535,456 × 3,535,456
4. Step 4: Simplify right side
   1,627,621x = 12,499,449,127,936
5. Step 5: Solve for x
   x = 12,499,449,127,936/1,627,621
6. Step 6: Final answer
   x = 7,679,582.12