Finding the Third Proportional to 2,100,843 and 4,610,169

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100,843 : 4,610,169 = 4,610,169 : x
2. Step 2: Convert to fraction form
   2,100,843/4,610,169 = 4,610,169/x
3. Step 3: Cross multiply
   2,100,843x = 4,610,169 × 4,610,169
4. Step 4: Simplify right side
   2,100,843x = 21,253,658,208,561
5. Step 5: Solve for x
   x = 21,253,658,208,561/2,100,843
6. Step 6: Final answer
   x = 10,116,728.48