Finding the Third Proportional to 452,136 and 699,456

Step by Step Solution

1. Step 1: Write the proportion equation
   452,136 : 699,456 = 699,456 : x
2. Step 2: Convert to fraction form
   452,136/699,456 = 699,456/x
3. Step 3: Cross multiply
   452,136x = 699,456 × 699,456
4. Step 4: Simplify right side
   452,136x = 489,238,695,936
5. Step 5: Solve for x
   x = 489,238,695,936/452,136
6. Step 6: Final answer
   x = 1,082,060.92