Finding the Third Proportional to 2,166,180 and 4,693,570

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,180 : 4,693,570 = 4,693,570 : x
2. Step 2: Convert to fraction form
   2,166,180/4,693,570 = 4,693,570/x
3. Step 3: Cross multiply
   2,166,180x = 4,693,570 × 4,693,570
4. Step 4: Simplify right side
   2,166,180x = 22,029,599,344,900
5. Step 5: Solve for x
   x = 22,029,599,344,900/2,166,180
6. Step 6: Final answer
   x = 10,169,791.68