Finding the Third Proportional to 283,773 and 423,196.50

Step by Step Solution

1. Step 1: Write the proportion equation
   283,773 : 423,196.50 = 423,196.50 : x
2. Step 2: Convert to fraction form
   283,773/423,196.50 = 423,196.50/x
3. Step 3: Cross multiply
   283,773x = 423,196.50 × 423,196.50
4. Step 4: Simplify right side
   283,773x = 179,095,277,612.25
5. Step 5: Solve for x
   x = 179,095,277,612.25/283,773
6. Step 6: Final answer
   x = 631,121.63