Finding the Third Proportional to 240,861 and 338,885.50

Step by Step Solution

1. Step 1: Write the proportion equation
   240,861 : 338,885.50 = 338,885.50 : x
2. Step 2: Convert to fraction form
   240,861/338,885.50 = 338,885.50/x
3. Step 3: Cross multiply
   240,861x = 338,885.50 × 338,885.50
4. Step 4: Simplify right side
   240,861x = 114,843,382,110.25
5. Step 5: Solve for x
   x = 114,843,382,110.25/240,861
6. Step 6: Final answer
   x = 476,803.56