Finding the Third Proportional to 616,536 and 922,297.50

Step by Step Solution

1. Step 1: Write the proportion equation
   616,536 : 922,297.50 = 922,297.50 : x
2. Step 2: Convert to fraction form
   616,536/922,297.50 = 922,297.50/x
3. Step 3: Cross multiply
   616,536x = 922,297.50 × 922,297.50
4. Step 4: Simplify right side
   616,536x = 850,632,678,506.25
5. Step 5: Solve for x
   x = 850,632,678,506.25/616,536
6. Step 6: Final answer
   x = 1,379,696.69