Finding the Third Proportional to 2,100,166 and 4,580,444

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100,166 : 4,580,444 = 4,580,444 : x
2. Step 2: Convert to fraction form
   2,100,166/4,580,444 = 4,580,444/x
3. Step 3: Cross multiply
   2,100,166x = 4,580,444 × 4,580,444
4. Step 4: Simplify right side
   2,100,166x = 20,980,467,237,136
5. Step 5: Solve for x
   x = 20,980,467,237,136/2,100,166
6. Step 6: Final answer
   x = 9,989,909.01