Finding the Third Proportional to 55,051.50 and 76,600.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,051.50 : 76,600.50 = 76,600.50 : x
2. Step 2: Convert to fraction form
   55,051.50/76,600.50 = 76,600.50/x
3. Step 3: Cross multiply
   55,051.50x = 76,600.50 × 76,600.50
4. Step 4: Simplify right side
   55,051.50x = 5,867,636,600.25
5. Step 5: Solve for x
   x = 5,867,636,600.25/55,051.50
6. Step 6: Final answer
   x = 106,584.50