Finding the Third Proportional to 56,118 and 124,692.50

Step by Step Solution

1. Step 1: Write the proportion equation
   56,118 : 124,692.50 = 124,692.50 : x
2. Step 2: Convert to fraction form
   56,118/124,692.50 = 124,692.50/x
3. Step 3: Cross multiply
   56,118x = 124,692.50 × 124,692.50
4. Step 4: Simplify right side
   56,118x = 15,548,219,556.25
5. Step 5: Solve for x
   x = 15,548,219,556.25/56,118
6. Step 6: Final answer
   x = 277,062.97