Finding the Third Proportional to 91,492 and 199,012

Step by Step Solution

1. Step 1: Write the proportion equation
   91,492 : 199,012 = 199,012 : x
2. Step 2: Convert to fraction form
   91,492/199,012 = 199,012/x
3. Step 3: Cross multiply
   91,492x = 199,012 × 199,012
4. Step 4: Simplify right side
   91,492x = 39,605,776,144
5. Step 5: Solve for x
   x = 39,605,776,144/91,492
6. Step 6: Final answer
   x = 432,887.86