Finding the Third Proportional to 1,444,564 and 3,111,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,444,564 : 3,111,128 = 3,111,128 : x
2. Step 2: Convert to fraction form
   1,444,564/3,111,128 = 3,111,128/x
3. Step 3: Cross multiply
   1,444,564x = 3,111,128 × 3,111,128
4. Step 4: Simplify right side
   1,444,564x = 9,679,117,432,384
5. Step 5: Solve for x
   x = 9,679,117,432,384/1,444,564
6. Step 6: Final answer
   x = 6,700,372.87