Finding the Third Proportional to 204,020 and 286,795.50

Step by Step Solution

1. Step 1: Write the proportion equation
   204,020 : 286,795.50 = 286,795.50 : x
2. Step 2: Convert to fraction form
   204,020/286,795.50 = 286,795.50/x
3. Step 3: Cross multiply
   204,020x = 286,795.50 × 286,795.50
4. Step 4: Simplify right side
   204,020x = 82,251,658,820.25
5. Step 5: Solve for x
   x = 82,251,658,820.25/204,020
6. Step 6: Final answer
   x = 403,154.88