Finding the Third Proportional to 152,839 and 336,782

Step by Step Solution

1. Step 1: Write the proportion equation
   152,839 : 336,782 = 336,782 : x
2. Step 2: Convert to fraction form
   152,839/336,782 = 336,782/x
3. Step 3: Cross multiply
   152,839x = 336,782 × 336,782
4. Step 4: Simplify right side
   152,839x = 113,422,115,524
5. Step 5: Solve for x
   x = 113,422,115,524/152,839
6. Step 6: Final answer
   x = 742,101.92