Finding the Third Proportional to 587,732 and 812,112

Step by Step Solution

1. Step 1: Write the proportion equation
   587,732 : 812,112 = 812,112 : x
2. Step 2: Convert to fraction form
   587,732/812,112 = 812,112/x
3. Step 3: Cross multiply
   587,732x = 812,112 × 812,112
4. Step 4: Simplify right side
   587,732x = 659,525,900,544
5. Step 5: Solve for x
   x = 659,525,900,544/587,732
6. Step 6: Final answer
   x = 1,122,154.15