Finding the Third Proportional to 70,381.50 and 151,834.78

Step by Step Solution

1. Step 1: Write the proportion equation
   70,381.50 : 151,834.78 = 151,834.78 : x
2. Step 2: Convert to fraction form
   70,381.50/151,834.78 = 151,834.78/x
3. Step 3: Cross multiply
   70,381.50x = 151,834.78 × 151,834.78
4. Step 4: Simplify right side
   70,381.50x = 23,053,800,797.24
5. Step 5: Solve for x
   x = 23,053,800,797.24/70,381.50
6. Step 6: Final answer
   x = 327,554.84