Finding the Third Proportional to 4,378,338 and 9,581,346

Step by Step Solution

1. Step 1: Write the proportion equation
   4,378,338 : 9,581,346 = 9,581,346 : x
2. Step 2: Convert to fraction form
   4,378,338/9,581,346 = 9,581,346/x
3. Step 3: Cross multiply
   4,378,338x = 9,581,346 × 9,581,346
4. Step 4: Simplify right side
   4,378,338x = 91,802,191,171,716
5. Step 5: Solve for x
   x = 91,802,191,171,716/4,378,338
6. Step 6: Final answer
   x = 20,967,360.49