Finding the Third Proportional to 322,507.50 and 501,050.25

Step by Step Solution

1. Step 1: Write the proportion equation
   322,507.50 : 501,050.25 = 501,050.25 : x
2. Step 2: Convert to fraction form
   322,507.50/501,050.25 = 501,050.25/x
3. Step 3: Cross multiply
   322,507.50x = 501,050.25 × 501,050.25
4. Step 4: Simplify right side
   322,507.50x = 251,051,353,025.06
5. Step 5: Solve for x
   x = 251,051,353,025.06/322,507.50
6. Step 6: Final answer
   x = 778,435.70