Finding the Third Proportional to 1,438,569 and 2,148,003

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,569 : 2,148,003 = 2,148,003 : x
2. Step 2: Convert to fraction form
   1,438,569/2,148,003 = 2,148,003/x
3. Step 3: Cross multiply
   1,438,569x = 2,148,003 × 2,148,003
4. Step 4: Simplify right side
   1,438,569x = 4,613,916,888,009
5. Step 5: Solve for x
   x = 4,613,916,888,009/1,438,569
6. Step 6: Final answer
   x = 3,207,296.20