Finding the Third Proportional to 55,075.50 and 87,546.75

Step by Step Solution

1. Step 1: Write the proportion equation
   55,075.50 : 87,546.75 = 87,546.75 : x
2. Step 2: Convert to fraction form
   55,075.50/87,546.75 = 87,546.75/x
3. Step 3: Cross multiply
   55,075.50x = 87,546.75 × 87,546.75
4. Step 4: Simplify right side
   55,075.50x = 7,664,433,435.56
5. Step 5: Solve for x
   x = 7,664,433,435.56/55,075.50
6. Step 6: Final answer
   x = 139,162.30