Finding the Third Proportional to 1,916,600 and 4,099,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916,600 : 4,099,128 = 4,099,128 : x
2. Step 2: Convert to fraction form
   1,916,600/4,099,128 = 4,099,128/x
3. Step 3: Cross multiply
   1,916,600x = 4,099,128 × 4,099,128
4. Step 4: Simplify right side
   1,916,600x = 16,802,850,360,384
5. Step 5: Solve for x
   x = 16,802,850,360,384/1,916,600
6. Step 6: Final answer
   x = 8,767,009.48