Finding the Third Proportional to 203,810 and 293,564.50

Step by Step Solution

1. Step 1: Write the proportion equation
   203,810 : 293,564.50 = 293,564.50 : x
2. Step 2: Convert to fraction form
   203,810/293,564.50 = 293,564.50/x
3. Step 3: Cross multiply
   203,810x = 293,564.50 × 293,564.50
4. Step 4: Simplify right side
   203,810x = 86,180,115,660.25
5. Step 5: Solve for x
   x = 86,180,115,660.25/203,810
6. Step 6: Final answer
   x = 422,845.37