Finding the Third Proportional to 632,130 and 978,147

Step by Step Solution

1. Step 1: Write the proportion equation
   632,130 : 978,147 = 978,147 : x
2. Step 2: Convert to fraction form
   632,130/978,147 = 978,147/x
3. Step 3: Cross multiply
   632,130x = 978,147 × 978,147
4. Step 4: Simplify right side
   632,130x = 956,771,553,609
5. Step 5: Solve for x
   x = 956,771,553,609/632,130
6. Step 6: Final answer
   x = 1,513,567.71