Finding the Third Proportional to 58,456.69 and 88,211.53

Step by Step Solution

1. Step 1: Write the proportion equation
   58,456.69 : 88,211.53 = 88,211.53 : x
2. Step 2: Convert to fraction form
   58,456.69/88,211.53 = 88,211.53/x
3. Step 3: Cross multiply
   58,456.69x = 88,211.53 × 88,211.53
4. Step 4: Simplify right side
   58,456.69x = 7,781,274,245.47
5. Step 5: Solve for x
   x = 7,781,274,245.47/58,456.69
6. Step 6: Final answer
   x = 133,111.79