Finding the Third Proportional to 148,668 and 229,558.50

Step by Step Solution

1. Step 1: Write the proportion equation
   148,668 : 229,558.50 = 229,558.50 : x
2. Step 2: Convert to fraction form
   148,668/229,558.50 = 229,558.50/x
3. Step 3: Cross multiply
   148,668x = 229,558.50 × 229,558.50
4. Step 4: Simplify right side
   148,668x = 52,697,104,922.25
5. Step 5: Solve for x
   x = 52,697,104,922.25/148,668
6. Step 6: Final answer
   x = 354,461.65