Finding the Third Proportional to 866,216 and 1,259,958

Step by Step Solution

1. Step 1: Write the proportion equation
   866,216 : 1,259,958 = 1,259,958 : x
2. Step 2: Convert to fraction form
   866,216/1,259,958 = 1,259,958/x
3. Step 3: Cross multiply
   866,216x = 1,259,958 × 1,259,958
4. Step 4: Simplify right side
   866,216x = 1,587,494,161,764
5. Step 5: Solve for x
   x = 1,587,494,161,764/866,216
6. Step 6: Final answer
   x = 1,832,677.02