Finding the Third Proportional to 3,112,906 and 6,816,300

Step by Step Solution

1. Step 1: Write the proportion equation
   3,112,906 : 6,816,300 = 6,816,300 : x
2. Step 2: Convert to fraction form
   3,112,906/6,816,300 = 6,816,300/x
3. Step 3: Cross multiply
   3,112,906x = 6,816,300 × 6,816,300
4. Step 4: Simplify right side
   3,112,906x = 46,461,945,690,000
5. Step 5: Solve for x
   x = 46,461,945,690,000/3,112,906
6. Step 6: Final answer
   x = 14,925,585.83