Finding the Third Proportional to 453,671 and 978,212

Step by Step Solution

1. Step 1: Write the proportion equation
   453,671 : 978,212 = 978,212 : x
2. Step 2: Convert to fraction form
   453,671/978,212 = 978,212/x
3. Step 3: Cross multiply
   453,671x = 978,212 × 978,212
4. Step 4: Simplify right side
   453,671x = 956,898,716,944
5. Step 5: Solve for x
   x = 956,898,716,944/453,671
6. Step 6: Final answer
   x = 2,109,234.92