Finding the Third Proportional to 192,915.50 and 423,182

Step by Step Solution

1. Step 1: Write the proportion equation
   192,915.50 : 423,182 = 423,182 : x
2. Step 2: Convert to fraction form
   192,915.50/423,182 = 423,182/x
3. Step 3: Cross multiply
   192,915.50x = 423,182 × 423,182
4. Step 4: Simplify right side
   192,915.50x = 179,083,005,124
5. Step 5: Solve for x
   x = 179,083,005,124/192,915.50
6. Step 6: Final answer
   x = 928,297.65