Finding the Third Proportional to 3,485,651 and 5,280,641

Step by Step Solution

1. Step 1: Write the proportion equation
   3,485,651 : 5,280,641 = 5,280,641 : x
2. Step 2: Convert to fraction form
   3,485,651/5,280,641 = 5,280,641/x
3. Step 3: Cross multiply
   3,485,651x = 5,280,641 × 5,280,641
4. Step 4: Simplify right side
   3,485,651x = 27,885,169,370,881
5. Step 5: Solve for x
   x = 27,885,169,370,881/3,485,651
6. Step 6: Final answer
   x = 7,999,988.92