Finding the Third Proportional to 192,523.50 and 417,123

Step by Step Solution

1. Step 1: Write the proportion equation
   192,523.50 : 417,123 = 417,123 : x
2. Step 2: Convert to fraction form
   192,523.50/417,123 = 417,123/x
3. Step 3: Cross multiply
   192,523.50x = 417,123 × 417,123
4. Step 4: Simplify right side
   192,523.50x = 173,991,597,129
5. Step 5: Solve for x
   x = 173,991,597,129/192,523.50
6. Step 6: Final answer
   x = 903,742.13