Finding the Third Proportional to 3,604,718 and 5,579,641

Step by Step Solution

1. Step 1: Write the proportion equation
   3,604,718 : 5,579,641 = 5,579,641 : x
2. Step 2: Convert to fraction form
   3,604,718/5,579,641 = 5,579,641/x
3. Step 3: Cross multiply
   3,604,718x = 5,579,641 × 5,579,641
4. Step 4: Simplify right side
   3,604,718x = 31,132,393,688,881
5. Step 5: Solve for x
   x = 31,132,393,688,881/3,604,718
6. Step 6: Final answer
   x = 8,636,568.43