Finding the Third Proportional to 229,806 and 356,737.50

Step by Step Solution

1. Step 1: Write the proportion equation
   229,806 : 356,737.50 = 356,737.50 : x
2. Step 2: Convert to fraction form
   229,806/356,737.50 = 356,737.50/x
3. Step 3: Cross multiply
   229,806x = 356,737.50 × 356,737.50
4. Step 4: Simplify right side
   229,806x = 127,261,643,906.25
5. Step 5: Solve for x
   x = 127,261,643,906.25/229,806
6. Step 6: Final answer
   x = 553,778.60