Finding the Third Proportional to 152,430 and 333,918

Step by Step Solution

1. Step 1: Write the proportion equation
   152,430 : 333,918 = 333,918 : x
2. Step 2: Convert to fraction form
   152,430/333,918 = 333,918/x
3. Step 3: Cross multiply
   152,430x = 333,918 × 333,918
4. Step 4: Simplify right side
   152,430x = 111,501,230,724
5. Step 5: Solve for x
   x = 111,501,230,724/152,430
6. Step 6: Final answer
   x = 731,491.38