Finding the Third Proportional to 1,538,985 and 2,299,864

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,985 : 2,299,864 = 2,299,864 : x
2. Step 2: Convert to fraction form
   1,538,985/2,299,864 = 2,299,864/x
3. Step 3: Cross multiply
   1,538,985x = 2,299,864 × 2,299,864
4. Step 4: Simplify right side
   1,538,985x = 5,289,374,418,496
5. Step 5: Solve for x
   x = 5,289,374,418,496/1,538,985
6. Step 6: Final answer
   x = 3,436,923.96