Finding the Third Proportional to 2,106,546 and 3,178,458

Step by Step Solution

1. Step 1: Write the proportion equation
   2,106,546 : 3,178,458 = 3,178,458 : x
2. Step 2: Convert to fraction form
   2,106,546/3,178,458 = 3,178,458/x
3. Step 3: Cross multiply
   2,106,546x = 3,178,458 × 3,178,458
4. Step 4: Simplify right side
   2,106,546x = 10,102,595,257,764
5. Step 5: Solve for x
   x = 10,102,595,257,764/2,106,546
6. Step 6: Final answer
   x = 4,795,810.42