Finding the Third Proportional to 1,519,319 and 3,290,872

Step by Step Solution

1. Step 1: Write the proportion equation
   1,519,319 : 3,290,872 = 3,290,872 : x
2. Step 2: Convert to fraction form
   1,519,319/3,290,872 = 3,290,872/x
3. Step 3: Cross multiply
   1,519,319x = 3,290,872 × 3,290,872
4. Step 4: Simplify right side
   1,519,319x = 10,829,838,520,384
5. Step 5: Solve for x
   x = 10,829,838,520,384/1,519,319
6. Step 6: Final answer
   x = 7,128,087.33