Finding the Third Proportional to 603,672 and 816,934.50

Step by Step Solution

1. Step 1: Write the proportion equation
   603,672 : 816,934.50 = 816,934.50 : x
2. Step 2: Convert to fraction form
   603,672/816,934.50 = 816,934.50/x
3. Step 3: Cross multiply
   603,672x = 816,934.50 × 816,934.50
4. Step 4: Simplify right side
   603,672x = 667,381,977,290.25
5. Step 5: Solve for x
   x = 667,381,977,290.25/603,672
6. Step 6: Final answer
   x = 1,105,537.41