Finding the Third Proportional to 264,816 and 340,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   264,816 : 340,018.50 = 340,018.50 : x
2. Step 2: Convert to fraction form
   264,816/340,018.50 = 340,018.50/x
3. Step 3: Cross multiply
   264,816x = 340,018.50 × 340,018.50
4. Step 4: Simplify right side
   264,816x = 115,612,580,342.25
5. Step 5: Solve for x
   x = 115,612,580,342.25/264,816
6. Step 6: Final answer
   x = 436,577.02