Finding the Third Proportional to 196,870 and 429,827

Step by Step Solution

1. Step 1: Write the proportion equation
   196,870 : 429,827 = 429,827 : x
2. Step 2: Convert to fraction form
   196,870/429,827 = 429,827/x
3. Step 3: Cross multiply
   196,870x = 429,827 × 429,827
4. Step 4: Simplify right side
   196,870x = 184,751,249,929
5. Step 5: Solve for x
   x = 184,751,249,929/196,870
6. Step 6: Final answer
   x = 938,442.88