Finding the Third Proportional to 147,829.50 and 324,272

Step by Step Solution

1. Step 1: Write the proportion equation
   147,829.50 : 324,272 = 324,272 : x
2. Step 2: Convert to fraction form
   147,829.50/324,272 = 324,272/x
3. Step 3: Cross multiply
   147,829.50x = 324,272 × 324,272
4. Step 4: Simplify right side
   147,829.50x = 105,152,329,984
5. Step 5: Solve for x
   x = 105,152,329,984/147,829.50
6. Step 6: Final answer
   x = 711,308.16