Finding the Third Proportional to 196,886 and 429,862

Step by Step Solution

1. Step 1: Write the proportion equation
   196,886 : 429,862 = 429,862 : x
2. Step 2: Convert to fraction form
   196,886/429,862 = 429,862/x
3. Step 3: Cross multiply
   196,886x = 429,862 × 429,862
4. Step 4: Simplify right side
   196,886x = 184,781,339,044
5. Step 5: Solve for x
   x = 184,781,339,044/196,886
6. Step 6: Final answer
   x = 938,519.44