Finding the Third Proportional to 112,859 and 178,556.50

Step by Step Solution

1. Step 1: Write the proportion equation
   112,859 : 178,556.50 = 178,556.50 : x
2. Step 2: Convert to fraction form
   112,859/178,556.50 = 178,556.50/x
3. Step 3: Cross multiply
   112,859x = 178,556.50 × 178,556.50
4. Step 4: Simplify right side
   112,859x = 31,882,423,692.25
5. Step 5: Solve for x
   x = 31,882,423,692.25/112,859
6. Step 6: Final answer
   x = 282,497.84