Finding the Third Proportional to 2,947,353 and 4,686,729

Step by Step Solution

1. Step 1: Write the proportion equation
   2,947,353 : 4,686,729 = 4,686,729 : x
2. Step 2: Convert to fraction form
   2,947,353/4,686,729 = 4,686,729/x
3. Step 3: Cross multiply
   2,947,353x = 4,686,729 × 4,686,729
4. Step 4: Simplify right side
   2,947,353x = 21,965,428,719,441
5. Step 5: Solve for x
   x = 21,965,428,719,441/2,947,353
6. Step 6: Final answer
   x = 7,452,595.17