Finding the Third Proportional to 739,200 and 1,144,128

Step by Step Solution

1. Step 1: Write the proportion equation
   739,200 : 1,144,128 = 1,144,128 : x
2. Step 2: Convert to fraction form
   739,200/1,144,128 = 1,144,128/x
3. Step 3: Cross multiply
   739,200x = 1,144,128 × 1,144,128
4. Step 4: Simplify right side
   739,200x = 1,309,028,880,384
5. Step 5: Solve for x
   x = 1,309,028,880,384/739,200
6. Step 6: Final answer
   x = 1,770,872.40