Finding the Third Proportional to 148,168 and 229,488

Step by Step Solution

1. Step 1: Write the proportion equation
   148,168 : 229,488 = 229,488 : x
2. Step 2: Convert to fraction form
   148,168/229,488 = 229,488/x
3. Step 3: Cross multiply
   148,168x = 229,488 × 229,488
4. Step 4: Simplify right side
   148,168x = 52,664,742,144
5. Step 5: Solve for x
   x = 52,664,742,144/148,168
6. Step 6: Final answer
   x = 355,439.38