Finding the Third Proportional to 356,020 and 534,100.50

Step by Step Solution

1. Step 1: Write the proportion equation
   356,020 : 534,100.50 = 534,100.50 : x
2. Step 2: Convert to fraction form
   356,020/534,100.50 = 534,100.50/x
3. Step 3: Cross multiply
   356,020x = 534,100.50 × 534,100.50
4. Step 4: Simplify right side
   356,020x = 285,263,344,100.25
5. Step 5: Solve for x
   x = 285,263,344,100.25/356,020
6. Step 6: Final answer
   x = 801,256.51