Finding the Third Proportional to 204,029 and 286,808.50

Step by Step Solution

1. Step 1: Write the proportion equation
   204,029 : 286,808.50 = 286,808.50 : x
2. Step 2: Convert to fraction form
   204,029/286,808.50 = 286,808.50/x
3. Step 3: Cross multiply
   204,029x = 286,808.50 × 286,808.50
4. Step 4: Simplify right side
   204,029x = 82,259,115,672.25
5. Step 5: Solve for x
   x = 82,259,115,672.25/204,029
6. Step 6: Final answer
   x = 403,173.65