Finding the Third Proportional to 49,918.78 and 109,048.78

Step by Step Solution

1. Step 1: Write the proportion equation
   49,918.78 : 109,048.78 = 109,048.78 : x
2. Step 2: Convert to fraction form
   49,918.78/109,048.78 = 109,048.78/x
3. Step 3: Cross multiply
   49,918.78x = 109,048.78 × 109,048.78
4. Step 4: Simplify right side
   49,918.78x = 11,891,636,692.11
5. Step 5: Solve for x
   x = 11,891,636,692.11/49,918.78
6. Step 6: Final answer
   x = 238,219.69