Finding the Third Proportional to 50,140 and 66,556.50

Step by Step Solution

1. Step 1: Write the proportion equation
   50,140 : 66,556.50 = 66,556.50 : x
2. Step 2: Convert to fraction form
   50,140/66,556.50 = 66,556.50/x
3. Step 3: Cross multiply
   50,140x = 66,556.50 × 66,556.50
4. Step 4: Simplify right side
   50,140x = 4,429,767,692.25
5. Step 5: Solve for x
   x = 4,429,767,692.25/50,140
6. Step 6: Final answer
   x = 88,347.98