Finding the Third Proportional to 148,271 and 229,499

Step by Step Solution

1. Step 1: Write the proportion equation
   148,271 : 229,499 = 229,499 : x
2. Step 2: Convert to fraction form
   148,271/229,499 = 229,499/x
3. Step 3: Cross multiply
   148,271x = 229,499 × 229,499
4. Step 4: Simplify right side
   148,271x = 52,669,791,001
5. Step 5: Solve for x
   x = 52,669,791,001/148,271
6. Step 6: Final answer
   x = 355,226.52