Finding the Third Proportional to 871,323 and 1,887,398

Step by Step Solution

1. Step 1: Write the proportion equation
   871,323 : 1,887,398 = 1,887,398 : x
2. Step 2: Convert to fraction form
   871,323/1,887,398 = 1,887,398/x
3. Step 3: Cross multiply
   871,323x = 1,887,398 × 1,887,398
4. Step 4: Simplify right side
   871,323x = 3,562,271,210,404
5. Step 5: Solve for x
   x = 3,562,271,210,404/871,323
6. Step 6: Final answer
   x = 4,088,347.50