Finding the Third Proportional to 455,026 and 978,740

Step by Step Solution

1. Step 1: Write the proportion equation
   455,026 : 978,740 = 978,740 : x
2. Step 2: Convert to fraction form
   455,026/978,740 = 978,740/x
3. Step 3: Cross multiply
   455,026x = 978,740 × 978,740
4. Step 4: Simplify right side
   455,026x = 957,931,987,600
5. Step 5: Solve for x
   x = 957,931,987,600/455,026
6. Step 6: Final answer
   x = 2,105,224.73