Finding the Third Proportional to 764,240 and 1,619,510

Step by Step Solution

1. Step 1: Write the proportion equation
   764,240 : 1,619,510 = 1,619,510 : x
2. Step 2: Convert to fraction form
   764,240/1,619,510 = 1,619,510/x
3. Step 3: Cross multiply
   764,240x = 1,619,510 × 1,619,510
4. Step 4: Simplify right side
   764,240x = 2,622,812,640,100
5. Step 5: Solve for x
   x = 2,622,812,640,100/764,240
6. Step 6: Final answer
   x = 3,431,922.75