Finding the Third Proportional to 436,197 and 656,479.50

Step by Step Solution

1. Step 1: Write the proportion equation
   436,197 : 656,479.50 = 656,479.50 : x
2. Step 2: Convert to fraction form
   436,197/656,479.50 = 656,479.50/x
3. Step 3: Cross multiply
   436,197x = 656,479.50 × 656,479.50
4. Step 4: Simplify right side
   436,197x = 430,965,333,920.25
5. Step 5: Solve for x
   x = 430,965,333,920.25/436,197
6. Step 6: Final answer
   x = 988,006.19