Finding the Third Proportional to 1,509,888 and 3,299,808

Step by Step Solution

1. Step 1: Write the proportion equation
   1,509,888 : 3,299,808 = 3,299,808 : x
2. Step 2: Convert to fraction form
   1,509,888/3,299,808 = 3,299,808/x
3. Step 3: Cross multiply
   1,509,888x = 3,299,808 × 3,299,808
4. Step 4: Simplify right side
   1,509,888x = 10,888,732,836,864
5. Step 5: Solve for x
   x = 10,888,732,836,864/1,509,888
6. Step 6: Final answer
   x = 7,211,616.25