Finding the Third Proportional to 148,221 and 229,270.50

Step by Step Solution

1. Step 1: Write the proportion equation
   148,221 : 229,270.50 = 229,270.50 : x
2. Step 2: Convert to fraction form
   148,221/229,270.50 = 229,270.50/x
3. Step 3: Cross multiply
   148,221x = 229,270.50 × 229,270.50
4. Step 4: Simplify right side
   148,221x = 52,564,962,170.25
5. Step 5: Solve for x
   x = 52,564,962,170.25/148,221
6. Step 6: Final answer
   x = 354,639.10