Finding the Third Proportional to 148,242 and 221,956.50

Step by Step Solution

1. Step 1: Write the proportion equation
   148,242 : 221,956.50 = 221,956.50 : x
2. Step 2: Convert to fraction form
   148,242/221,956.50 = 221,956.50/x
3. Step 3: Cross multiply
   148,242x = 221,956.50 × 221,956.50
4. Step 4: Simplify right side
   148,242x = 49,264,687,892.25
5. Step 5: Solve for x
   x = 49,264,687,892.25/148,242
6. Step 6: Final answer
   x = 332,326.11