Finding the Third Proportional to 3,493,639 and 5,555,391

Step by Step Solution

1. Step 1: Write the proportion equation
   3,493,639 : 5,555,391 = 5,555,391 : x
2. Step 2: Convert to fraction form
   3,493,639/5,555,391 = 5,555,391/x
3. Step 3: Cross multiply
   3,493,639x = 5,555,391 × 5,555,391
4. Step 4: Simplify right side
   3,493,639x = 30,862,369,162,881
5. Step 5: Solve for x
   x = 30,862,369,162,881/3,493,639
6. Step 6: Final answer
   x = 8,833,874.70