Finding the Third Proportional to 1,763,608 and 2,638,558

Step by Step Solution

1. Step 1: Write the proportion equation
   1,763,608 : 2,638,558 = 2,638,558 : x
2. Step 2: Convert to fraction form
   1,763,608/2,638,558 = 2,638,558/x
3. Step 3: Cross multiply
   1,763,608x = 2,638,558 × 2,638,558
4. Step 4: Simplify right side
   1,763,608x = 6,961,988,319,364
5. Step 5: Solve for x
   x = 6,961,988,319,364/1,763,608
6. Step 6: Final answer
   x = 3,947,582.64