Finding the Third Proportional to 2,166,516 and 4,694,616

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,516 : 4,694,616 = 4,694,616 : x
2. Step 2: Convert to fraction form
   2,166,516/4,694,616 = 4,694,616/x
3. Step 3: Cross multiply
   2,166,516x = 4,694,616 × 4,694,616
4. Step 4: Simplify right side
   2,166,516x = 22,039,419,387,456
5. Step 5: Solve for x
   x = 22,039,419,387,456/2,166,516
6. Step 6: Final answer
   x = 10,172,747.11