Finding the Third Proportional to 192,322 and 418,508.50

Step by Step Solution

1. Step 1: Write the proportion equation
   192,322 : 418,508.50 = 418,508.50 : x
2. Step 2: Convert to fraction form
   192,322/418,508.50 = 418,508.50/x
3. Step 3: Cross multiply
   192,322x = 418,508.50 × 418,508.50
4. Step 4: Simplify right side
   192,322x = 175,149,364,572.25
5. Step 5: Solve for x
   x = 175,149,364,572.25/192,322
6. Step 6: Final answer
   x = 910,708.94