Finding the Third Proportional to 1,977,009 and 4,316,568

Step by Step Solution

1. Step 1: Write the proportion equation
   1,977,009 : 4,316,568 = 4,316,568 : x
2. Step 2: Convert to fraction form
   1,977,009/4,316,568 = 4,316,568/x
3. Step 3: Cross multiply
   1,977,009x = 4,316,568 × 4,316,568
4. Step 4: Simplify right side
   1,977,009x = 18,632,759,298,624
5. Step 5: Solve for x
   x = 18,632,759,298,624/1,977,009
6. Step 6: Final answer
   x = 9,424,721.54