Finding the Third Proportional to 196,945 and 429,536

Step by Step Solution

1. Step 1: Write the proportion equation
   196,945 : 429,536 = 429,536 : x
2. Step 2: Convert to fraction form
   196,945/429,536 = 429,536/x
3. Step 3: Cross multiply
   196,945x = 429,536 × 429,536
4. Step 4: Simplify right side
   196,945x = 184,501,175,296
5. Step 5: Solve for x
   x = 184,501,175,296/196,945
6. Step 6: Final answer
   x = 936,815.74