Finding the Third Proportional to 603,536 and 1,323,136

Step by Step Solution

1. Step 1: Write the proportion equation
   603,536 : 1,323,136 = 1,323,136 : x
2. Step 2: Convert to fraction form
   603,536/1,323,136 = 1,323,136/x
3. Step 3: Cross multiply
   603,536x = 1,323,136 × 1,323,136
4. Step 4: Simplify right side
   603,536x = 1,750,688,874,496
5. Step 5: Solve for x
   x = 1,750,688,874,496/603,536
6. Step 6: Final answer
   x = 2,900,719.88