Finding the Third Proportional to 493,392 and 738,144

Step by Step Solution

1. Step 1: Write the proportion equation
   493,392 : 738,144 = 738,144 : x
2. Step 2: Convert to fraction form
   493,392/738,144 = 738,144/x
3. Step 3: Cross multiply
   493,392x = 738,144 × 738,144
4. Step 4: Simplify right side
   493,392x = 544,856,564,736
5. Step 5: Solve for x
   x = 544,856,564,736/493,392
6. Step 6: Final answer
   x = 1,104,307.66