Finding the Third Proportional to 16,681,424 and 35,922,449

Step by Step Solution

1. Step 1: Write the proportion equation
   16,681,424 : 35,922,449 = 35,922,449 : x
2. Step 2: Convert to fraction form
   16,681,424/35,922,449 = 35,922,449/x
3. Step 3: Cross multiply
   16,681,424x = 35,922,449 × 35,922,449
4. Step 4: Simplify right side
   16,681,424x = 1,290,422,342,157,601
5. Step 5: Solve for x
   x = 1,290,422,342,157,601/16,681,424
6. Step 6: Final answer
   x = 77,356,845.68