Finding the Third Proportional to 1,557,620 and 3,380,962

Step by Step Solution

1. Step 1: Write the proportion equation
   1,557,620 : 3,380,962 = 3,380,962 : x
2. Step 2: Convert to fraction form
   1,557,620/3,380,962 = 3,380,962/x
3. Step 3: Cross multiply
   1,557,620x = 3,380,962 × 3,380,962
4. Step 4: Simplify right side
   1,557,620x = 11,430,904,045,444
5. Step 5: Solve for x
   x = 11,430,904,045,444/1,557,620
6. Step 6: Final answer
   x = 7,338,698.81