Finding the Third Proportional to 200,617 and 304,865.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,617 : 304,865.50 = 304,865.50 : x
2. Step 2: Convert to fraction form
   200,617/304,865.50 = 304,865.50/x
3. Step 3: Cross multiply
   200,617x = 304,865.50 × 304,865.50
4. Step 4: Simplify right side
   200,617x = 92,942,973,090.25
5. Step 5: Solve for x
   x = 92,942,973,090.25/200,617
6. Step 6: Final answer
   x = 463,285.63