Finding the Third Proportional to 1,500,261 and 3,240,420

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500,261 : 3,240,420 = 3,240,420 : x
2. Step 2: Convert to fraction form
   1,500,261/3,240,420 = 3,240,420/x
3. Step 3: Cross multiply
   1,500,261x = 3,240,420 × 3,240,420
4. Step 4: Simplify right side
   1,500,261x = 10,500,321,776,400
5. Step 5: Solve for x
   x = 10,500,321,776,400/1,500,261
6. Step 6: Final answer
   x = 6,998,996.69