Finding the Third Proportional to 861,360 and 2,011,872

Step by Step Solution

1. Step 1: Write the proportion equation
   861,360 : 2,011,872 = 2,011,872 : x
2. Step 2: Convert to fraction form
   861,360/2,011,872 = 2,011,872/x
3. Step 3: Cross multiply
   861,360x = 2,011,872 × 2,011,872
4. Step 4: Simplify right side
   861,360x = 4,047,628,944,384
5. Step 5: Solve for x
   x = 4,047,628,944,384/861,360
6. Step 6: Final answer
   x = 4,699,114.13