Finding the Third Proportional to 148,236 and 324,151.50

Step by Step Solution

1. Step 1: Write the proportion equation
   148,236 : 324,151.50 = 324,151.50 : x
2. Step 2: Convert to fraction form
   148,236/324,151.50 = 324,151.50/x
3. Step 3: Cross multiply
   148,236x = 324,151.50 × 324,151.50
4. Step 4: Simplify right side
   148,236x = 105,074,194,952.25
5. Step 5: Solve for x
   x = 105,074,194,952.25/148,236
6. Step 6: Final answer
   x = 708,830.48