Finding the Third Proportional to 88,869 and 117,427.50

Step by Step Solution

1. Step 1: Write the proportion equation
   88,869 : 117,427.50 = 117,427.50 : x
2. Step 2: Convert to fraction form
   88,869/117,427.50 = 117,427.50/x
3. Step 3: Cross multiply
   88,869x = 117,427.50 × 117,427.50
4. Step 4: Simplify right side
   88,869x = 13,789,217,756.25
5. Step 5: Solve for x
   x = 13,789,217,756.25/88,869
6. Step 6: Final answer
   x = 155,163.42