Finding the Third Proportional to 196,894 and 429,878

Step by Step Solution

1. Step 1: Write the proportion equation
   196,894 : 429,878 = 429,878 : x
2. Step 2: Convert to fraction form
   196,894/429,878 = 429,878/x
3. Step 3: Cross multiply
   196,894x = 429,878 × 429,878
4. Step 4: Simplify right side
   196,894x = 184,795,094,884
5. Step 5: Solve for x
   x = 184,795,094,884/196,894
6. Step 6: Final answer
   x = 938,551.17