Finding the Third Proportional to 1,499,407 and 3,290,616

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,407 : 3,290,616 = 3,290,616 : x
2. Step 2: Convert to fraction form
   1,499,407/3,290,616 = 3,290,616/x
3. Step 3: Cross multiply
   1,499,407x = 3,290,616 × 3,290,616
4. Step 4: Simplify right side
   1,499,407x = 10,828,153,659,456
5. Step 5: Solve for x
   x = 10,828,153,659,456/1,499,407
6. Step 6: Final answer
   x = 7,221,624.06