Finding the Third Proportional to 737,916 and 1,128,288

Step by Step Solution

1. Step 1: Write the proportion equation
   737,916 : 1,128,288 = 1,128,288 : x
2. Step 2: Convert to fraction form
   737,916/1,128,288 = 1,128,288/x
3. Step 3: Cross multiply
   737,916x = 1,128,288 × 1,128,288
4. Step 4: Simplify right side
   737,916x = 1,273,033,810,944
5. Step 5: Solve for x
   x = 1,273,033,810,944/737,916
6. Step 6: Final answer
   x = 1,725,174.42