Finding the Third Proportional to 1,438,550 and 3,148,018

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,550 : 3,148,018 = 3,148,018 : x
2. Step 2: Convert to fraction form
   1,438,550/3,148,018 = 3,148,018/x
3. Step 3: Cross multiply
   1,438,550x = 3,148,018 × 3,148,018
4. Step 4: Simplify right side
   1,438,550x = 9,910,017,328,324
5. Step 5: Solve for x
   x = 9,910,017,328,324/1,438,550
6. Step 6: Final answer
   x = 6,888,893.21