Finding the Third Proportional to 199,239.75 and 429,966

Step by Step Solution

1. Step 1: Write the proportion equation
   199,239.75 : 429,966 = 429,966 : x
2. Step 2: Convert to fraction form
   199,239.75/429,966 = 429,966/x
3. Step 3: Cross multiply
   199,239.75x = 429,966 × 429,966
4. Step 4: Simplify right side
   199,239.75x = 184,870,761,156
5. Step 5: Solve for x
   x = 184,870,761,156/199,239.75
6. Step 6: Final answer
   x = 927,880.91