Finding the Third Proportional to 67,881 and 89,263.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,881 : 89,263.50 = 89,263.50 : x
2. Step 2: Convert to fraction form
   67,881/89,263.50 = 89,263.50/x
3. Step 3: Cross multiply
   67,881x = 89,263.50 × 89,263.50
4. Step 4: Simplify right side
   67,881x = 7,967,972,432.25
5. Step 5: Solve for x
   x = 7,967,972,432.25/67,881
6. Step 6: Final answer
   x = 117,381.48