Finding the Third Proportional to 1,538,979 and 2,299,855

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,979 : 2,299,855 = 2,299,855 : x
2. Step 2: Convert to fraction form
   1,538,979/2,299,855 = 2,299,855/x
3. Step 3: Cross multiply
   1,538,979x = 2,299,855 × 2,299,855
4. Step 4: Simplify right side
   1,538,979x = 5,289,333,021,025
5. Step 5: Solve for x
   x = 5,289,333,021,025/1,538,979
6. Step 6: Final answer
   x = 3,436,910.46