Finding the Third Proportional to 543,144 and 1,193,280

Step by Step Solution

1. Step 1: Write the proportion equation
   543,144 : 1,193,280 = 1,193,280 : x
2. Step 2: Convert to fraction form
   543,144/1,193,280 = 1,193,280/x
3. Step 3: Cross multiply
   543,144x = 1,193,280 × 1,193,280
4. Step 4: Simplify right side
   543,144x = 1,423,917,158,400
5. Step 5: Solve for x
   x = 1,423,917,158,400/543,144
6. Step 6: Final answer
   x = 2,621,619.97