Finding the Third Proportional to 88,968 and 138,379.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,968 : 138,379.50 = 138,379.50 : x
2. Step 2: Convert to fraction form
   88,968/138,379.50 = 138,379.50/x
3. Step 3: Cross multiply
   88,968x = 138,379.50 × 138,379.50
4. Step 4: Simplify right side
   88,968x = 19,148,886,020.25
5. Step 5: Solve for x
   x = 19,148,886,020.25/88,968
6. Step 6: Final answer
   x = 215,233.41