Finding the Third Proportional to 28,243.69 and 61,403.06

Step by Step Solution

1. Step 1: Write the proportion equation
   28,243.69 : 61,403.06 = 61,403.06 : x
2. Step 2: Convert to fraction form
   28,243.69/61,403.06 = 61,403.06/x
3. Step 3: Cross multiply
   28,243.69x = 61,403.06 × 61,403.06
4. Step 4: Simplify right side
   28,243.69x = 3,770,336,084.38
5. Step 5: Solve for x
   x = 3,770,336,084.38/28,243.69
6. Step 6: Final answer
   x = 133,493.05