Finding the Third Proportional to 9,792,363 and 20,379,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,792,363 : 20,379,499.50 = 20,379,499.50 : x
2. Step 2: Convert to fraction form
   9,792,363/20,379,499.50 = 20,379,499.50/x
3. Step 3: Cross multiply
   9,792,363x = 20,379,499.50 × 20,379,499.50
4. Step 4: Simplify right side
   9,792,363x = 415,323,999,870,500.25
5. Step 5: Solve for x
   x = 415,323,999,870,500.25/9,792,363
6. Step 6: Final answer
   x = 42,413,051.87