Finding the Third Proportional to 871,434 and 1,876,354

Step by Step Solution

1. Step 1: Write the proportion equation
   871,434 : 1,876,354 = 1,876,354 : x
2. Step 2: Convert to fraction form
   871,434/1,876,354 = 1,876,354/x
3. Step 3: Cross multiply
   871,434x = 1,876,354 × 1,876,354
4. Step 4: Simplify right side
   871,434x = 3,520,704,333,316
5. Step 5: Solve for x
   x = 3,520,704,333,316/871,434
6. Step 6: Final answer
   x = 4,040,127.35