Finding the Third Proportional to 3,841,047 and 8,390,790

Step by Step Solution

1. Step 1: Write the proportion equation
   3,841,047 : 8,390,790 = 8,390,790 : x
2. Step 2: Convert to fraction form
   3,841,047/8,390,790 = 8,390,790/x
3. Step 3: Cross multiply
   3,841,047x = 8,390,790 × 8,390,790
4. Step 4: Simplify right side
   3,841,047x = 70,405,356,824,100
5. Step 5: Solve for x
   x = 70,405,356,824,100/3,841,047
6. Step 6: Final answer
   x = 18,329,730.62