Finding the Third Proportional to 243,675 and 356,008.50

Step by Step Solution

1. Step 1: Write the proportion equation
   243,675 : 356,008.50 = 356,008.50 : x
2. Step 2: Convert to fraction form
   243,675/356,008.50 = 356,008.50/x
3. Step 3: Cross multiply
   243,675x = 356,008.50 × 356,008.50
4. Step 4: Simplify right side
   243,675x = 126,742,052,072.25
5. Step 5: Solve for x
   x = 126,742,052,072.25/243,675
6. Step 6: Final answer
   x = 520,127.43