Finding the Third Proportional to 1,478,600 and 3,167,128

Step by Step Solution

1. Step 1: Write the proportion equation
   1,478,600 : 3,167,128 = 3,167,128 : x
2. Step 2: Convert to fraction form
   1,478,600/3,167,128 = 3,167,128/x
3. Step 3: Cross multiply
   1,478,600x = 3,167,128 × 3,167,128
4. Step 4: Simplify right side
   1,478,600x = 10,030,699,768,384
5. Step 5: Solve for x
   x = 10,030,699,768,384/1,478,600
6. Step 6: Final answer
   x = 6,783,917.06