Finding the Third Proportional to 2,163,416 and 4,616,392

Step by Step Solution

1. Step 1: Write the proportion equation
   2,163,416 : 4,616,392 = 4,616,392 : x
2. Step 2: Convert to fraction form
   2,163,416/4,616,392 = 4,616,392/x
3. Step 3: Cross multiply
   2,163,416x = 4,616,392 × 4,616,392
4. Step 4: Simplify right side
   2,163,416x = 21,311,075,097,664
5. Step 5: Solve for x
   x = 21,311,075,097,664/2,163,416
6. Step 6: Final answer
   x = 9,850,659.84