Finding the Third Proportional to 3,841,054 and 8,390,804

Step by Step Solution

1. Step 1: Write the proportion equation
   3,841,054 : 8,390,804 = 8,390,804 : x
2. Step 2: Convert to fraction form
   3,841,054/8,390,804 = 8,390,804/x
3. Step 3: Cross multiply
   3,841,054x = 8,390,804 × 8,390,804
4. Step 4: Simplify right side
   3,841,054x = 70,405,591,766,416
5. Step 5: Solve for x
   x = 70,405,591,766,416/3,841,054
6. Step 6: Final answer
   x = 18,329,758.39