Finding the Third Proportional to 58,143.75 and 87,556.50

Step by Step Solution

1. Step 1: Write the proportion equation
   58,143.75 : 87,556.50 = 87,556.50 : x
2. Step 2: Convert to fraction form
   58,143.75/87,556.50 = 87,556.50/x
3. Step 3: Cross multiply
   58,143.75x = 87,556.50 × 87,556.50
4. Step 4: Simplify right side
   58,143.75x = 7,666,140,692.25
5. Step 5: Solve for x
   x = 7,666,140,692.25/58,143.75
6. Step 6: Final answer
   x = 131,848.06