Finding the Third Proportional to 465,128 and 1,001,248

Step by Step Solution

1. Step 1: Write the proportion equation
   465,128 : 1,001,248 = 1,001,248 : x
2. Step 2: Convert to fraction form
   465,128/1,001,248 = 1,001,248/x
3. Step 3: Cross multiply
   465,128x = 1,001,248 × 1,001,248
4. Step 4: Simplify right side
   465,128x = 1,002,497,557,504
5. Step 5: Solve for x
   x = 1,002,497,557,504/465,128
6. Step 6: Final answer
   x = 2,155,315.43