Finding the Third Proportional to 1,873,202 and 4,420,456

Step by Step Solution

1. Step 1: Write the proportion equation
   1,873,202 : 4,420,456 = 4,420,456 : x
2. Step 2: Convert to fraction form
   1,873,202/4,420,456 = 4,420,456/x
3. Step 3: Cross multiply
   1,873,202x = 4,420,456 × 4,420,456
4. Step 4: Simplify right side
   1,873,202x = 19,540,431,247,936
5. Step 5: Solve for x
   x = 19,540,431,247,936/1,873,202
6. Step 6: Final answer
   x = 10,431,566.51