Finding the Third Proportional to 16,405,988 and 35,904,868

Step by Step Solution

1. Step 1: Write the proportion equation
   16,405,988 : 35,904,868 = 35,904,868 : x
2. Step 2: Convert to fraction form
   16,405,988/35,904,868 = 35,904,868/x
3. Step 3: Cross multiply
   16,405,988x = 35,904,868 × 35,904,868
4. Step 4: Simplify right side
   16,405,988x = 1,289,159,546,097,424
5. Step 5: Solve for x
   x = 1,289,159,546,097,424/16,405,988
6. Step 6: Final answer
   x = 78,578,598.62