Finding the Third Proportional to 486,216 and 1,061,208

Step by Step Solution

1. Step 1: Write the proportion equation
   486,216 : 1,061,208 = 1,061,208 : x
2. Step 2: Convert to fraction form
   486,216/1,061,208 = 1,061,208/x
3. Step 3: Cross multiply
   486,216x = 1,061,208 × 1,061,208
4. Step 4: Simplify right side
   486,216x = 1,126,162,419,264
5. Step 5: Solve for x
   x = 1,126,162,419,264/486,216
6. Step 6: Final answer
   x = 2,316,177.21