Finding the Third Proportional to 16,681,419 and 35,922,438

Step by Step Solution

1. Step 1: Write the proportion equation
   16,681,419 : 35,922,438 = 35,922,438 : x
2. Step 2: Convert to fraction form
   16,681,419/35,922,438 = 35,922,438/x
3. Step 3: Cross multiply
   16,681,419x = 35,922,438 × 35,922,438
4. Step 4: Simplify right side
   16,681,419x = 1,290,421,551,863,844
5. Step 5: Solve for x
   x = 1,290,421,551,863,844/16,681,419
6. Step 6: Final answer
   x = 77,356,821.49