Finding the Third Proportional to 179,833.50 and 393,930

Step by Step Solution

1. Step 1: Write the proportion equation
   179,833.50 : 393,930 = 393,930 : x
2. Step 2: Convert to fraction form
   179,833.50/393,930 = 393,930/x
3. Step 3: Cross multiply
   179,833.50x = 393,930 × 393,930
4. Step 4: Simplify right side
   179,833.50x = 155,180,844,900
5. Step 5: Solve for x
   x = 155,180,844,900/179,833.50
6. Step 6: Final answer
   x = 862,914.00