Finding the Third Proportional to 203,985 and 293,845.50

Step by Step Solution

1. Step 1: Write the proportion equation
   203,985 : 293,845.50 = 293,845.50 : x
2. Step 2: Convert to fraction form
   203,985/293,845.50 = 293,845.50/x
3. Step 3: Cross multiply
   203,985x = 293,845.50 × 293,845.50
4. Step 4: Simplify right side
   203,985x = 86,345,177,870.25
5. Step 5: Solve for x
   x = 86,345,177,870.25/203,985
6. Step 6: Final answer
   x = 423,291.80