Finding the Third Proportional to 598,560 and 1,280,136

Step by Step Solution

1. Step 1: Write the proportion equation
   598,560 : 1,280,136 = 1,280,136 : x
2. Step 2: Convert to fraction form
   598,560/1,280,136 = 1,280,136/x
3. Step 3: Cross multiply
   598,560x = 1,280,136 × 1,280,136
4. Step 4: Simplify right side
   598,560x = 1,638,748,178,496
5. Step 5: Solve for x
   x = 1,638,748,178,496/598,560
6. Step 6: Final answer
   x = 2,737,817.73