Finding the Third Proportional to 199,230 and 299,061

Step by Step Solution

1. Step 1: Write the proportion equation
   199,230 : 299,061 = 299,061 : x
2. Step 2: Convert to fraction form
   199,230/299,061 = 299,061/x
3. Step 3: Cross multiply
   199,230x = 299,061 × 299,061
4. Step 4: Simplify right side
   199,230x = 89,437,481,721
5. Step 5: Solve for x
   x = 89,437,481,721/199,230
6. Step 6: Final answer
   x = 448,915.73