Finding the Third Proportional to 2,918,121 and 4,661,766

Step by Step Solution

1. Step 1: Write the proportion equation
   2,918,121 : 4,661,766 = 4,661,766 : x
2. Step 2: Convert to fraction form
   2,918,121/4,661,766 = 4,661,766/x
3. Step 3: Cross multiply
   2,918,121x = 4,661,766 × 4,661,766
4. Step 4: Simplify right side
   2,918,121x = 21,732,062,238,756
5. Step 5: Solve for x
   x = 21,732,062,238,756/2,918,121
6. Step 6: Final answer
   x = 7,447,279.34