Finding the Third Proportional to 27,580.50 and 43,692.75

Step by Step Solution

1. Step 1: Write the proportion equation
   27,580.50 : 43,692.75 = 43,692.75 : x
2. Step 2: Convert to fraction form
   27,580.50/43,692.75 = 43,692.75/x
3. Step 3: Cross multiply
   27,580.50x = 43,692.75 × 43,692.75
4. Step 4: Simplify right side
   27,580.50x = 1,909,056,402.56
5. Step 5: Solve for x
   x = 1,909,056,402.56/27,580.50
6. Step 6: Final answer
   x = 69,217.61