Finding the Third Proportional to 729,128 and 1,141,480

Step by Step Solution

1. Step 1: Write the proportion equation
   729,128 : 1,141,480 = 1,141,480 : x
2. Step 2: Convert to fraction form
   729,128/1,141,480 = 1,141,480/x
3. Step 3: Cross multiply
   729,128x = 1,141,480 × 1,141,480
4. Step 4: Simplify right side
   729,128x = 1,302,976,590,400
5. Step 5: Solve for x
   x = 1,302,976,590,400/729,128
6. Step 6: Final answer
   x = 1,787,034.09