Finding the Third Proportional to 2,010,840 and 4,161,648

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010,840 : 4,161,648 = 4,161,648 : x
2. Step 2: Convert to fraction form
   2,010,840/4,161,648 = 4,161,648/x
3. Step 3: Cross multiply
   2,010,840x = 4,161,648 × 4,161,648
4. Step 4: Simplify right side
   2,010,840x = 17,319,314,075,904
5. Step 5: Solve for x
   x = 17,319,314,075,904/2,010,840
6. Step 6: Final answer
   x = 8,612,974.71