Finding the Third Proportional to 152,404 and 319,752

Step by Step Solution

1. Step 1: Write the proportion equation
   152,404 : 319,752 = 319,752 : x
2. Step 2: Convert to fraction form
   152,404/319,752 = 319,752/x
3. Step 3: Cross multiply
   152,404x = 319,752 × 319,752
4. Step 4: Simplify right side
   152,404x = 102,241,341,504
5. Step 5: Solve for x
   x = 102,241,341,504/152,404
6. Step 6: Final answer
   x = 670,857.34