Finding the Third Proportional to 199,461.50 and 426,942

Step by Step Solution

1. Step 1: Write the proportion equation
   199,461.50 : 426,942 = 426,942 : x
2. Step 2: Convert to fraction form
   199,461.50/426,942 = 426,942/x
3. Step 3: Cross multiply
   199,461.50x = 426,942 × 426,942
4. Step 4: Simplify right side
   199,461.50x = 182,279,471,364
5. Step 5: Solve for x
   x = 182,279,471,364/199,461.50
6. Step 6: Final answer
   x = 913,857.92