Finding the Third Proportional to 1,297,488 and 2,066,148

Step by Step Solution

1. Step 1: Write the proportion equation
   1,297,488 : 2,066,148 = 2,066,148 : x
2. Step 2: Convert to fraction form
   1,297,488/2,066,148 = 2,066,148/x
3. Step 3: Cross multiply
   1,297,488x = 2,066,148 × 2,066,148
4. Step 4: Simplify right side
   1,297,488x = 4,268,967,557,904
5. Step 5: Solve for x
   x = 4,268,967,557,904/1,297,488
6. Step 6: Final answer
   x = 3,290,178.84