Finding the Third Proportional to 199,192 and 429,488

Step by Step Solution

1. Step 1: Write the proportion equation
   199,192 : 429,488 = 429,488 : x
2. Step 2: Convert to fraction form
   199,192/429,488 = 429,488/x
3. Step 3: Cross multiply
   199,192x = 429,488 × 429,488
4. Step 4: Simplify right side
   199,192x = 184,459,942,144
5. Step 5: Solve for x
   x = 184,459,942,144/199,192
6. Step 6: Final answer
   x = 926,040.92