Finding the Third Proportional to 155,546 and 333,123

Step by Step Solution

1. Step 1: Write the proportion equation
   155,546 : 333,123 = 333,123 : x
2. Step 2: Convert to fraction form
   155,546/333,123 = 333,123/x
3. Step 3: Cross multiply
   155,546x = 333,123 × 333,123
4. Step 4: Simplify right side
   155,546x = 110,970,933,129
5. Step 5: Solve for x
   x = 110,970,933,129/155,546
6. Step 6: Final answer
   x = 713,428.40