Finding the Third Proportional to 861,200 and 2,011,512

Step by Step Solution

1. Step 1: Write the proportion equation
   861,200 : 2,011,512 = 2,011,512 : x
2. Step 2: Convert to fraction form
   861,200/2,011,512 = 2,011,512/x
3. Step 3: Cross multiply
   861,200x = 2,011,512 × 2,011,512
4. Step 4: Simplify right side
   861,200x = 4,046,180,526,144
5. Step 5: Solve for x
   x = 4,046,180,526,144/861,200
6. Step 6: Final answer
   x = 4,698,305.30