Finding the Third Proportional to 53,290 and 88,806

Step by Step Solution

1. Step 1: Write the proportion equation
   53,290 : 88,806 = 88,806 : x
2. Step 2: Convert to fraction form
   53,290/88,806 = 88,806/x
3. Step 3: Cross multiply
   53,290x = 88,806 × 88,806
4. Step 4: Simplify right side
   53,290x = 7,886,505,636
5. Step 5: Solve for x
   x = 7,886,505,636/53,290
6. Step 6: Final answer
   x = 147,992.22