Finding the Third Proportional to 1,438,972 and 2,078,904

Step by Step Solution

1. Step 1: Write the proportion equation
   1,438,972 : 2,078,904 = 2,078,904 : x
2. Step 2: Convert to fraction form
   1,438,972/2,078,904 = 2,078,904/x
3. Step 3: Cross multiply
   1,438,972x = 2,078,904 × 2,078,904
4. Step 4: Simplify right side
   1,438,972x = 4,321,841,841,216
5. Step 5: Solve for x
   x = 4,321,841,841,216/1,438,972
6. Step 6: Final answer
   x = 3,003,423.17