Finding the Third Proportional to 753,628 and 1,638,152

Step by Step Solution

1. Step 1: Write the proportion equation
   753,628 : 1,638,152 = 1,638,152 : x
2. Step 2: Convert to fraction form
   753,628/1,638,152 = 1,638,152/x
3. Step 3: Cross multiply
   753,628x = 1,638,152 × 1,638,152
4. Step 4: Simplify right side
   753,628x = 2,683,541,975,104
5. Step 5: Solve for x
   x = 2,683,541,975,104/753,628
6. Step 6: Final answer
   x = 3,560,831.04