Finding the Third Proportional to 1,312,206 and 2,871,300

Step by Step Solution

1. Step 1: Write the proportion equation
   1,312,206 : 2,871,300 = 2,871,300 : x
2. Step 2: Convert to fraction form
   1,312,206/2,871,300 = 2,871,300/x
3. Step 3: Cross multiply
   1,312,206x = 2,871,300 × 2,871,300
4. Step 4: Simplify right side
   1,312,206x = 8,244,363,690,000
5. Step 5: Solve for x
   x = 8,244,363,690,000/1,312,206
6. Step 6: Final answer
   x = 6,282,827.31