Finding the Third Proportional to 206,448 and 301,705.50

Step by Step Solution

1. Step 1: Write the proportion equation
   206,448 : 301,705.50 = 301,705.50 : x
2. Step 2: Convert to fraction form
   206,448/301,705.50 = 301,705.50/x
3. Step 3: Cross multiply
   206,448x = 301,705.50 × 301,705.50
4. Step 4: Simplify right side
   206,448x = 91,026,208,730.25
5. Step 5: Solve for x
   x = 91,026,208,730.25/206,448
6. Step 6: Final answer
   x = 440,915.91