Finding the Third Proportional to 4,884,189 and 7,179,943

Step by Step Solution

1. Step 1: Write the proportion equation
   4,884,189 : 7,179,943 = 7,179,943 : x
2. Step 2: Convert to fraction form
   4,884,189/7,179,943 = 7,179,943/x
3. Step 3: Cross multiply
   4,884,189x = 7,179,943 × 7,179,943
4. Step 4: Simplify right side
   4,884,189x = 51,551,581,483,249
5. Step 5: Solve for x
   x = 51,551,581,483,249/4,884,189
6. Step 6: Final answer
   x = 10,554,788.42