Finding the Third Proportional to 199,782 and 438,934.50

Step by Step Solution

1. Step 1: Write the proportion equation
   199,782 : 438,934.50 = 438,934.50 : x
2. Step 2: Convert to fraction form
   199,782/438,934.50 = 438,934.50/x
3. Step 3: Cross multiply
   199,782x = 438,934.50 × 438,934.50
4. Step 4: Simplify right side
   199,782x = 192,663,495,290.25
5. Step 5: Solve for x
   x = 192,663,495,290.25/199,782
6. Step 6: Final answer
   x = 964,368.64