Finding the Third Proportional to 196,938 and 429,521

Step by Step Solution

1. Step 1: Write the proportion equation
   196,938 : 429,521 = 429,521 : x
2. Step 2: Convert to fraction form
   196,938/429,521 = 429,521/x
3. Step 3: Cross multiply
   196,938x = 429,521 × 429,521
4. Step 4: Simplify right side
   196,938x = 184,488,289,441
5. Step 5: Solve for x
   x = 184,488,289,441/196,938
6. Step 6: Final answer
   x = 936,783.60