Finding the Third Proportional to 3,366,681 and 5,223,705

Step by Step Solution

1. Step 1: Write the proportion equation
   3,366,681 : 5,223,705 = 5,223,705 : x
2. Step 2: Convert to fraction form
   3,366,681/5,223,705 = 5,223,705/x
3. Step 3: Cross multiply
   3,366,681x = 5,223,705 × 5,223,705
4. Step 4: Simplify right side
   3,366,681x = 27,287,093,927,025
5. Step 5: Solve for x
   x = 27,287,093,927,025/3,366,681
6. Step 6: Final answer
   x = 8,105,042.90