Finding the Third Proportional to 302,487 and 446,812.50

Step by Step Solution

1. Step 1: Write the proportion equation
   302,487 : 446,812.50 = 446,812.50 : x
2. Step 2: Convert to fraction form
   302,487/446,812.50 = 446,812.50/x
3. Step 3: Cross multiply
   302,487x = 446,812.50 × 446,812.50
4. Step 4: Simplify right side
   302,487x = 199,641,410,156.25
5. Step 5: Solve for x
   x = 199,641,410,156.25/302,487
6. Step 6: Final answer
   x = 659,999.97