Finding the Third Proportional to 1,447,641 and 3,180,807

Step by Step Solution

1. Step 1: Write the proportion equation
   1,447,641 : 3,180,807 = 3,180,807 : x
2. Step 2: Convert to fraction form
   1,447,641/3,180,807 = 3,180,807/x
3. Step 3: Cross multiply
   1,447,641x = 3,180,807 × 3,180,807
4. Step 4: Simplify right side
   1,447,641x = 10,117,533,171,249
5. Step 5: Solve for x
   x = 10,117,533,171,249/1,447,641
6. Step 6: Final answer
   x = 6,988,979.43