Finding the Third Proportional to 264,864 and 340,087.50

Step by Step Solution

1. Step 1: Write the proportion equation
   264,864 : 340,087.50 = 340,087.50 : x
2. Step 2: Convert to fraction form
   264,864/340,087.50 = 340,087.50/x
3. Step 3: Cross multiply
   264,864x = 340,087.50 × 340,087.50
4. Step 4: Simplify right side
   264,864x = 115,659,507,656.25
5. Step 5: Solve for x
   x = 115,659,507,656.25/264,864
6. Step 6: Final answer
   x = 436,675.08