Finding the Third Proportional to 208,581.75 and 456,367.50

Step by Step Solution

1. Step 1: Write the proportion equation
   208,581.75 : 456,367.50 = 456,367.50 : x
2. Step 2: Convert to fraction form
   208,581.75/456,367.50 = 456,367.50/x
3. Step 3: Cross multiply
   208,581.75x = 456,367.50 × 456,367.50
4. Step 4: Simplify right side
   208,581.75x = 208,271,295,056.25
5. Step 5: Solve for x
   x = 208,271,295,056.25/208,581.75
6. Step 6: Final answer
   x = 998,511.59