Finding the Third Proportional to 871,776 and 1,867,968

Step by Step Solution

1. Step 1: Write the proportion equation
   871,776 : 1,867,968 = 1,867,968 : x
2. Step 2: Convert to fraction form
   871,776/1,867,968 = 1,867,968/x
3. Step 3: Cross multiply
   871,776x = 1,867,968 × 1,867,968
4. Step 4: Simplify right side
   871,776x = 3,489,304,449,024
5. Step 5: Solve for x
   x = 3,489,304,449,024/871,776
6. Step 6: Final answer
   x = 4,002,524.10