Finding the Third Proportional to 1,399,045 and 3,012,137

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,045 : 3,012,137 = 3,012,137 : x
2. Step 2: Convert to fraction form
   1,399,045/3,012,137 = 3,012,137/x
3. Step 3: Cross multiply
   1,399,045x = 3,012,137 × 3,012,137
4. Step 4: Simplify right side
   1,399,045x = 9,072,969,306,769
5. Step 5: Solve for x
   x = 9,072,969,306,769/1,399,045
6. Step 6: Final answer
   x = 6,485,116.14