Finding the Third Proportional to 737,838 and 1,128,168

Step by Step Solution

1. Step 1: Write the proportion equation
   737,838 : 1,128,168 = 1,128,168 : x
2. Step 2: Convert to fraction form
   737,838/1,128,168 = 1,128,168/x
3. Step 3: Cross multiply
   737,838x = 1,128,168 × 1,128,168
4. Step 4: Simplify right side
   737,838x = 1,272,763,036,224
5. Step 5: Solve for x
   x = 1,272,763,036,224/737,838
6. Step 6: Final answer
   x = 1,724,989.82