Finding the Third Proportional to 871,582 and 1,887,902

Step by Step Solution

1. Step 1: Write the proportion equation
   871,582 : 1,887,902 = 1,887,902 : x
2. Step 2: Convert to fraction form
   871,582/1,887,902 = 1,887,902/x
3. Step 3: Cross multiply
   871,582x = 1,887,902 × 1,887,902
4. Step 4: Simplify right side
   871,582x = 3,564,173,961,604
5. Step 5: Solve for x
   x = 3,564,173,961,604/871,582
6. Step 6: Final answer
   x = 4,089,315.71