Finding the Third Proportional to 871,430 and 1,876,346

Step by Step Solution

1. Step 1: Write the proportion equation
   871,430 : 1,876,346 = 1,876,346 : x
2. Step 2: Convert to fraction form
   871,430/1,876,346 = 1,876,346/x
3. Step 3: Cross multiply
   871,430x = 1,876,346 × 1,876,346
4. Step 4: Simplify right side
   871,430x = 3,520,674,311,716
5. Step 5: Solve for x
   x = 3,520,674,311,716/871,430
6. Step 6: Final answer
   x = 4,040,111.44