Finding the Third Proportional to 451,848 and 978,086

Step by Step Solution

1. Step 1: Write the proportion equation
   451,848 : 978,086 = 978,086 : x
2. Step 2: Convert to fraction form
   451,848/978,086 = 978,086/x
3. Step 3: Cross multiply
   451,848x = 978,086 × 978,086
4. Step 4: Simplify right side
   451,848x = 956,652,223,396
5. Step 5: Solve for x
   x = 956,652,223,396/451,848
6. Step 6: Final answer
   x = 2,117,199.20