Finding the Third Proportional to 16,405,983 and 35,904,858

Step by Step Solution

1. Step 1: Write the proportion equation
   16,405,983 : 35,904,858 = 35,904,858 : x
2. Step 2: Convert to fraction form
   16,405,983/35,904,858 = 35,904,858/x
3. Step 3: Cross multiply
   16,405,983x = 35,904,858 × 35,904,858
4. Step 4: Simplify right side
   16,405,983x = 1,289,158,828,000,164
5. Step 5: Solve for x
   x = 1,289,158,828,000,164/16,405,983
6. Step 6: Final answer
   x = 78,578,578.80