Finding the Third Proportional to 3,488,859 and 7,391,984

Step by Step Solution

1. Step 1: Write the proportion equation
   3,488,859 : 7,391,984 = 7,391,984 : x
2. Step 2: Convert to fraction form
   3,488,859/7,391,984 = 7,391,984/x
3. Step 3: Cross multiply
   3,488,859x = 7,391,984 × 7,391,984
4. Step 4: Simplify right side
   3,488,859x = 54,641,427,456,256
5. Step 5: Solve for x
   x = 54,641,427,456,256/3,488,859
6. Step 6: Final answer
   x = 15,661,689.81