Finding the Third Proportional to 173,165 and 259,050.75

Step by Step Solution

1. Step 1: Write the proportion equation
   173,165 : 259,050.75 = 259,050.75 : x
2. Step 2: Convert to fraction form
   173,165/259,050.75 = 259,050.75/x
3. Step 3: Cross multiply
   173,165x = 259,050.75 × 259,050.75
4. Step 4: Simplify right side
   173,165x = 67,107,291,075.56
5. Step 5: Solve for x
   x = 67,107,291,075.56/173,165
6. Step 6: Final answer
   x = 387,533.80