Finding the Third Proportional to 1,211,612 and 1,900,820

Step by Step Solution

1. Step 1: Write the proportion equation
   1,211,612 : 1,900,820 = 1,900,820 : x
2. Step 2: Convert to fraction form
   1,211,612/1,900,820 = 1,900,820/x
3. Step 3: Cross multiply
   1,211,612x = 1,900,820 × 1,900,820
4. Step 4: Simplify right side
   1,211,612x = 3,613,116,672,400
5. Step 5: Solve for x
   x = 3,613,116,672,400/1,211,612
6. Step 6: Final answer
   x = 2,982,074.02