Finding the Third Proportional to 147,813 and 324,238.88

Step by Step Solution

1. Step 1: Write the proportion equation
   147,813 : 324,238.88 = 324,238.88 : x
2. Step 2: Convert to fraction form
   147,813/324,238.88 = 324,238.88/x
3. Step 3: Cross multiply
   147,813x = 324,238.88 × 324,238.88
4. Step 4: Simplify right side
   147,813x = 105,130,848,061.27
5. Step 5: Solve for x
   x = 105,130,848,061.27/147,813
6. Step 6: Final answer
   x = 711,242.23