Finding the Third Proportional to 1,835,140 and 3,951,512

Step by Step Solution

1. Step 1: Write the proportion equation
   1,835,140 : 3,951,512 = 3,951,512 : x
2. Step 2: Convert to fraction form
   1,835,140/3,951,512 = 3,951,512/x
3. Step 3: Cross multiply
   1,835,140x = 3,951,512 × 3,951,512
4. Step 4: Simplify right side
   1,835,140x = 15,614,447,086,144
5. Step 5: Solve for x
   x = 15,614,447,086,144/1,835,140
6. Step 6: Final answer
   x = 8,508,586.31