Finding the Third Proportional to 221,805 and 344,083.50

Step by Step Solution

1. Step 1: Write the proportion equation
   221,805 : 344,083.50 = 344,083.50 : x
2. Step 2: Convert to fraction form
   221,805/344,083.50 = 344,083.50/x
3. Step 3: Cross multiply
   221,805x = 344,083.50 × 344,083.50
4. Step 4: Simplify right side
   221,805x = 118,393,454,972.25
5. Step 5: Solve for x
   x = 118,393,454,972.25/221,805
6. Step 6: Final answer
   x = 533,772.71