Finding the Third Proportional to 493,410 and 738,105

Step by Step Solution

1. Step 1: Write the proportion equation
   493,410 : 738,105 = 738,105 : x
2. Step 2: Convert to fraction form
   493,410/738,105 = 738,105/x
3. Step 3: Cross multiply
   493,410x = 738,105 × 738,105
4. Step 4: Simplify right side
   493,410x = 544,798,991,025
5. Step 5: Solve for x
   x = 544,798,991,025/493,410
6. Step 6: Final answer
   x = 1,104,150.69