Finding the Third Proportional to 862,142 and 1,873,512

Step by Step Solution

1. Step 1: Write the proportion equation
   862,142 : 1,873,512 = 1,873,512 : x
2. Step 2: Convert to fraction form
   862,142/1,873,512 = 1,873,512/x
3. Step 3: Cross multiply
   862,142x = 1,873,512 × 1,873,512
4. Step 4: Simplify right side
   862,142x = 3,510,047,214,144
5. Step 5: Solve for x
   x = 3,510,047,214,144/862,142
6. Step 6: Final answer
   x = 4,071,309.85