Finding the Third Proportional to 61,088 and 131,216

Step by Step Solution

1. Step 1: Write the proportion equation
   61,088 : 131,216 = 131,216 : x
2. Step 2: Convert to fraction form
   61,088/131,216 = 131,216/x
3. Step 3: Cross multiply
   61,088x = 131,216 × 131,216
4. Step 4: Simplify right side
   61,088x = 17,217,638,656
5. Step 5: Solve for x
   x = 17,217,638,656/61,088
6. Step 6: Final answer
   x = 281,849.77