Finding the Third Proportional to 28,105.50 and 61,386

Step by Step Solution

1. Step 1: Write the proportion equation
   28,105.50 : 61,386 = 61,386 : x
2. Step 2: Convert to fraction form
   28,105.50/61,386 = 61,386/x
3. Step 3: Cross multiply
   28,105.50x = 61,386 × 61,386
4. Step 4: Simplify right side
   28,105.50x = 3,768,240,996
5. Step 5: Solve for x
   x = 3,768,240,996/28,105.50
6. Step 6: Final answer
   x = 134,074.86