Finding the Third Proportional to 125,145 and 259,162.03

Step by Step Solution

1. Step 1: Write the proportion equation
   125,145 : 259,162.03 = 259,162.03 : x
2. Step 2: Convert to fraction form
   125,145/259,162.03 = 259,162.03/x
3. Step 3: Cross multiply
   125,145x = 259,162.03 × 259,162.03
4. Step 4: Simplify right side
   125,145x = 67,164,958,441.63
5. Step 5: Solve for x
   x = 67,164,958,441.63/125,145
6. Step 6: Final answer
   x = 536,697.10