Finding the Third Proportional to 199,464 and 426,946.50

Step by Step Solution

1. Step 1: Write the proportion equation
   199,464 : 426,946.50 = 426,946.50 : x
2. Step 2: Convert to fraction form
   199,464/426,946.50 = 426,946.50/x
3. Step 3: Cross multiply
   199,464x = 426,946.50 × 426,946.50
4. Step 4: Simplify right side
   199,464x = 182,283,313,862.25
5. Step 5: Solve for x
   x = 182,283,313,862.25/199,464
6. Step 6: Final answer
   x = 913,865.73