Finding the Third Proportional to 72,307.69 and 108,034.38

Step by Step Solution

1. Step 1: Write the proportion equation
   72,307.69 : 108,034.38 = 108,034.38 : x
2. Step 2: Convert to fraction form
   72,307.69/108,034.38 = 108,034.38/x
3. Step 3: Cross multiply
   72,307.69x = 108,034.38 × 108,034.38
4. Step 4: Simplify right side
   72,307.69x = 11,671,427,869.68
5. Step 5: Solve for x
   x = 11,671,427,869.68/72,307.69
6. Step 6: Final answer
   x = 161,413.37