Finding the Third Proportional to 61,078.50 and 131,391

Step by Step Solution

1. Step 1: Write the proportion equation
   61,078.50 : 131,391 = 131,391 : x
2. Step 2: Convert to fraction form
   61,078.50/131,391 = 131,391/x
3. Step 3: Cross multiply
   61,078.50x = 131,391 × 131,391
4. Step 4: Simplify right side
   61,078.50x = 17,263,594,881
5. Step 5: Solve for x
   x = 17,263,594,881/61,078.50
6. Step 6: Final answer
   x = 282,646.02