Finding the Third Proportional to 871,427 and 1,876,342

Step by Step Solution

1. Step 1: Write the proportion equation
   871,427 : 1,876,342 = 1,876,342 : x
2. Step 2: Convert to fraction form
   871,427/1,876,342 = 1,876,342/x
3. Step 3: Cross multiply
   871,427x = 1,876,342 × 1,876,342
4. Step 4: Simplify right side
   871,427x = 3,520,659,300,964
5. Step 5: Solve for x
   x = 3,520,659,300,964/871,427
6. Step 6: Final answer
   x = 4,040,108.12