Finding the Third Proportional to 303,967.50 and 456,113.25

Step by Step Solution

1. Step 1: Write the proportion equation
   303,967.50 : 456,113.25 = 456,113.25 : x
2. Step 2: Convert to fraction form
   303,967.50/456,113.25 = 456,113.25/x
3. Step 3: Cross multiply
   303,967.50x = 456,113.25 × 456,113.25
4. Step 4: Simplify right side
   303,967.50x = 208,039,296,825.56
5. Step 5: Solve for x
   x = 208,039,296,825.56/303,967.50
6. Step 6: Final answer
   x = 684,412.96