Finding the Third Proportional to 193,366.50 and 423,906

Step by Step Solution

1. Step 1: Write the proportion equation
   193,366.50 : 423,906 = 423,906 : x
2. Step 2: Convert to fraction form
   193,366.50/423,906 = 423,906/x
3. Step 3: Cross multiply
   193,366.50x = 423,906 × 423,906
4. Step 4: Simplify right side
   193,366.50x = 179,696,296,836
5. Step 5: Solve for x
   x = 179,696,296,836/193,366.50
6. Step 6: Final answer
   x = 929,304.18