Finding the Third Proportional to 3,112,818 and 6,816,144

Step by Step Solution

1. Step 1: Write the proportion equation
   3,112,818 : 6,816,144 = 6,816,144 : x
2. Step 2: Convert to fraction form
   3,112,818/6,816,144 = 6,816,144/x
3. Step 3: Cross multiply
   3,112,818x = 6,816,144 × 6,816,144
4. Step 4: Simplify right side
   3,112,818x = 46,459,819,028,736
5. Step 5: Solve for x
   x = 46,459,819,028,736/3,112,818
6. Step 6: Final answer
   x = 14,925,324.59