Finding the Third Proportional to 1,557,639 and 3,381,012

Step by Step Solution

1. Step 1: Write the proportion equation
   1,557,639 : 3,381,012 = 3,381,012 : x
2. Step 2: Convert to fraction form
   1,557,639/3,381,012 = 3,381,012/x
3. Step 3: Cross multiply
   1,557,639x = 3,381,012 × 3,381,012
4. Step 4: Simplify right side
   1,557,639x = 11,431,242,144,144
5. Step 5: Solve for x
   x = 11,431,242,144,144/1,557,639
6. Step 6: Final answer
   x = 7,338,826.35