Finding the Third Proportional to 2,147,396 and 4,631,043

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147,396 : 4,631,043 = 4,631,043 : x
2. Step 2: Convert to fraction form
   2,147,396/4,631,043 = 4,631,043/x
3. Step 3: Cross multiply
   2,147,396x = 4,631,043 × 4,631,043
4. Step 4: Simplify right side
   2,147,396x = 21,446,559,267,849
5. Step 5: Solve for x
   x = 21,446,559,267,849/2,147,396
6. Step 6: Final answer
   x = 9,987,240.02