Finding the Third Proportional to 53,621 and 88,856

Step by Step Solution

1. Step 1: Write the proportion equation
   53,621 : 88,856 = 88,856 : x
2. Step 2: Convert to fraction form
   53,621/88,856 = 88,856/x
3. Step 3: Cross multiply
   53,621x = 88,856 × 88,856
4. Step 4: Simplify right side
   53,621x = 7,895,388,736
5. Step 5: Solve for x
   x = 7,895,388,736/53,621
6. Step 6: Final answer
   x = 147,244.34