Finding the Third Proportional to 164,028 and 245,186

Step by Step Solution

1. Step 1: Write the proportion equation
   164,028 : 245,186 = 245,186 : x
2. Step 2: Convert to fraction form
   164,028/245,186 = 245,186/x
3. Step 3: Cross multiply
   164,028x = 245,186 × 245,186
4. Step 4: Simplify right side
   164,028x = 60,116,174,596
5. Step 5: Solve for x
   x = 60,116,174,596/164,028
6. Step 6: Final answer
   x = 366,499.47