Finding the Third Proportional to 200,071 and 429,530

Step by Step Solution

1. Step 1: Write the proportion equation
   200,071 : 429,530 = 429,530 : x
2. Step 2: Convert to fraction form
   200,071/429,530 = 429,530/x
3. Step 3: Cross multiply
   200,071x = 429,530 × 429,530
4. Step 4: Simplify right side
   200,071x = 184,496,020,900
5. Step 5: Solve for x
   x = 184,496,020,900/200,071
6. Step 6: Final answer
   x = 922,152.74