Finding the Third Proportional to 325,507.50 and 503,964

Step by Step Solution

1. Step 1: Write the proportion equation
   325,507.50 : 503,964 = 503,964 : x
2. Step 2: Convert to fraction form
   325,507.50/503,964 = 503,964/x
3. Step 3: Cross multiply
   325,507.50x = 503,964 × 503,964
4. Step 4: Simplify right side
   325,507.50x = 253,979,713,296
5. Step 5: Solve for x
   x = 253,979,713,296/325,507.50
6. Step 6: Final answer
   x = 780,257.64