Finding the Third Proportional to 28,679.98 and 61,511.91

Step by Step Solution

1. Step 1: Write the proportion equation
   28,679.98 : 61,511.91 = 61,511.91 : x
2. Step 2: Convert to fraction form
   28,679.98/61,511.91 = 61,511.91/x
3. Step 3: Cross multiply
   28,679.98x = 61,511.91 × 61,511.91
4. Step 4: Simplify right side
   28,679.98x = 3,783,714,610.51
5. Step 5: Solve for x
   x = 3,783,714,610.51/28,679.98
6. Step 6: Final answer
   x = 131,928.79