Finding the Third Proportional to 303,924 and 661,362.50

Step by Step Solution

1. Step 1: Write the proportion equation
   303,924 : 661,362.50 = 661,362.50 : x
2. Step 2: Convert to fraction form
   303,924/661,362.50 = 661,362.50/x
3. Step 3: Cross multiply
   303,924x = 661,362.50 × 661,362.50
4. Step 4: Simplify right side
   303,924x = 437,400,356,406.25
5. Step 5: Solve for x
   x = 437,400,356,406.25/303,924
6. Step 6: Final answer
   x = 1,439,176.76