Finding the Third Proportional to 1,972,512 and 4,248,864

Step by Step Solution

1. Step 1: Write the proportion equation
   1,972,512 : 4,248,864 = 4,248,864 : x
2. Step 2: Convert to fraction form
   1,972,512/4,248,864 = 4,248,864/x
3. Step 3: Cross multiply
   1,972,512x = 4,248,864 × 4,248,864
4. Step 4: Simplify right side
   1,972,512x = 18,052,845,290,496
5. Step 5: Solve for x
   x = 18,052,845,290,496/1,972,512
6. Step 6: Final answer
   x = 9,152,210.63