Finding the Third Proportional to 192,713.50 and 423,870

Step by Step Solution

1. Step 1: Write the proportion equation
   192,713.50 : 423,870 = 423,870 : x
2. Step 2: Convert to fraction form
   192,713.50/423,870 = 423,870/x
3. Step 3: Cross multiply
   192,713.50x = 423,870 × 423,870
4. Step 4: Simplify right side
   192,713.50x = 179,665,776,900
5. Step 5: Solve for x
   x = 179,665,776,900/192,713.50
6. Step 6: Final answer
   x = 932,294.71