Finding the Third Proportional to 451,848 and 978,080.25

Step by Step Solution

1. Step 1: Write the proportion equation
   451,848 : 978,080.25 = 978,080.25 : x
2. Step 2: Convert to fraction form
   451,848/978,080.25 = 978,080.25/x
3. Step 3: Cross multiply
   451,848x = 978,080.25 × 978,080.25
4. Step 4: Simplify right side
   451,848x = 956,640,975,440.06
5. Step 5: Solve for x
   x = 956,640,975,440.06/451,848
6. Step 6: Final answer
   x = 2,117,174.31