Finding the Third Proportional to 1,336,608 and 2,939,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336,608 : 2,939,072 = 2,939,072 : x
2. Step 2: Convert to fraction form
   1,336,608/2,939,072 = 2,939,072/x
3. Step 3: Cross multiply
   1,336,608x = 2,939,072 × 2,939,072
4. Step 4: Simplify right side
   1,336,608x = 8,638,144,221,184
5. Step 5: Solve for x
   x = 8,638,144,221,184/1,336,608
6. Step 6: Final answer
   x = 6,462,735.69