Finding the Third Proportional to 767,136 and 1,200,792

Step by Step Solution

1. Step 1: Write the proportion equation
   767,136 : 1,200,792 = 1,200,792 : x
2. Step 2: Convert to fraction form
   767,136/1,200,792 = 1,200,792/x
3. Step 3: Cross multiply
   767,136x = 1,200,792 × 1,200,792
4. Step 4: Simplify right side
   767,136x = 1,441,901,427,264
5. Step 5: Solve for x
   x = 1,441,901,427,264/767,136
6. Step 6: Final answer
   x = 1,879,590.36