Finding the Third Proportional to 1,366,992 and 2,991,330

Step by Step Solution

1. Step 1: Write the proportion equation
   1,366,992 : 2,991,330 = 2,991,330 : x
2. Step 2: Convert to fraction form
   1,366,992/2,991,330 = 2,991,330/x
3. Step 3: Cross multiply
   1,366,992x = 2,991,330 × 2,991,330
4. Step 4: Simplify right side
   1,366,992x = 8,948,055,168,900
5. Step 5: Solve for x
   x = 8,948,055,168,900/1,366,992
6. Step 6: Final answer
   x = 6,545,799.22