Finding the Third Proportional to 1,490,448 and 2,106,936

Step by Step Solution

1. Step 1: Write the proportion equation
   1,490,448 : 2,106,936 = 2,106,936 : x
2. Step 2: Convert to fraction form
   1,490,448/2,106,936 = 2,106,936/x
3. Step 3: Cross multiply
   1,490,448x = 2,106,936 × 2,106,936
4. Step 4: Simplify right side
   1,490,448x = 4,439,179,308,096
5. Step 5: Solve for x
   x = 4,439,179,308,096/1,490,448
6. Step 6: Final answer
   x = 2,978,419.45