Finding the Third Proportional to 3,841,061 and 8,390,818

Step by Step Solution

1. Step 1: Write the proportion equation
   3,841,061 : 8,390,818 = 8,390,818 : x
2. Step 2: Convert to fraction form
   3,841,061/8,390,818 = 8,390,818/x
3. Step 3: Cross multiply
   3,841,061x = 8,390,818 × 8,390,818
4. Step 4: Simplify right side
   3,841,061x = 70,405,826,709,124
5. Step 5: Solve for x
   x = 70,405,826,709,124/3,841,061
6. Step 6: Final answer
   x = 18,329,786.15