Finding the Third Proportional to 570,624 and 871,164

Step by Step Solution

1. Step 1: Write the proportion equation
   570,624 : 871,164 = 871,164 : x
2. Step 2: Convert to fraction form
   570,624/871,164 = 871,164/x
3. Step 3: Cross multiply
   570,624x = 871,164 × 871,164
4. Step 4: Simplify right side
   570,624x = 758,926,714,896
5. Step 5: Solve for x
   x = 758,926,714,896/570,624
6. Step 6: Final answer
   x = 1,329,994.38