Finding the Third Proportional to 1,689,344 and 3,517,984

Step by Step Solution

1. Step 1: Write the proportion equation
   1,689,344 : 3,517,984 = 3,517,984 : x
2. Step 2: Convert to fraction form
   1,689,344/3,517,984 = 3,517,984/x
3. Step 3: Cross multiply
   1,689,344x = 3,517,984 × 3,517,984
4. Step 4: Simplify right side
   1,689,344x = 12,376,211,424,256
5. Step 5: Solve for x
   x = 12,376,211,424,256/1,689,344
6. Step 6: Final answer
   x = 7,326,045.75