Finding the Third Proportional to 2,100,535 and 4,499,960

Step by Step Solution

1. Step 1: Write the proportion equation
   2,100,535 : 4,499,960 = 4,499,960 : x
2. Step 2: Convert to fraction form
   2,100,535/4,499,960 = 4,499,960/x
3. Step 3: Cross multiply
   2,100,535x = 4,499,960 × 4,499,960
4. Step 4: Simplify right side
   2,100,535x = 20,249,640,001,600
5. Step 5: Solve for x
   x = 20,249,640,001,600/2,100,535
6. Step 6: Final answer
   x = 9,640,229.75