Finding the Third Proportional to 1,989,852 and 4,263,604

Step by Step Solution

1. Step 1: Write the proportion equation
   1,989,852 : 4,263,604 = 4,263,604 : x
2. Step 2: Convert to fraction form
   1,989,852/4,263,604 = 4,263,604/x
3. Step 3: Cross multiply
   1,989,852x = 4,263,604 × 4,263,604
4. Step 4: Simplify right side
   1,989,852x = 18,178,319,068,816
5. Step 5: Solve for x
   x = 18,178,319,068,816/1,989,852
6. Step 6: Final answer
   x = 9,135,513.13