Finding the Third Proportional to 6,814,208 and 13,828,648

Step by Step Solution

1. Step 1: Write the proportion equation
   6,814,208 : 13,828,648 = 13,828,648 : x
2. Step 2: Convert to fraction form
   6,814,208/13,828,648 = 13,828,648/x
3. Step 3: Cross multiply
   6,814,208x = 13,828,648 × 13,828,648
4. Step 4: Simplify right side
   6,814,208x = 191,231,505,507,904
5. Step 5: Solve for x
   x = 191,231,505,507,904/6,814,208
6. Step 6: Final answer
   x = 28,063,643.71