Finding the Third Proportional to 764,128 and 1,641,020

Step by Step Solution

1. Step 1: Write the proportion equation
   764,128 : 1,641,020 = 1,641,020 : x
2. Step 2: Convert to fraction form
   764,128/1,641,020 = 1,641,020/x
3. Step 3: Cross multiply
   764,128x = 1,641,020 × 1,641,020
4. Step 4: Simplify right side
   764,128x = 2,692,946,640,400
5. Step 5: Solve for x
   x = 2,692,946,640,400/764,128
6. Step 6: Final answer
   x = 3,524,208.82