Finding the Third Proportional to 462,188 and 699,570

Step by Step Solution

1. Step 1: Write the proportion equation
   462,188 : 699,570 = 699,570 : x
2. Step 2: Convert to fraction form
   462,188/699,570 = 699,570/x
3. Step 3: Cross multiply
   462,188x = 699,570 × 699,570
4. Step 4: Simplify right side
   462,188x = 489,398,184,900
5. Step 5: Solve for x
   x = 489,398,184,900/462,188
6. Step 6: Final answer
   x = 1,058,872.55