Finding the Third Proportional to 370,858 and 531,012

Step by Step Solution

1. Step 1: Write the proportion equation
   370,858 : 531,012 = 531,012 : x
2. Step 2: Convert to fraction form
   370,858/531,012 = 531,012/x
3. Step 3: Cross multiply
   370,858x = 531,012 × 531,012
4. Step 4: Simplify right side
   370,858x = 281,973,744,144
5. Step 5: Solve for x
   x = 281,973,744,144/370,858
6. Step 6: Final answer
   x = 760,328.06