Finding the Third Proportional to 283,593.50 and 439,332

Step by Step Solution

1. Step 1: Write the proportion equation
   283,593.50 : 439,332 = 439,332 : x
2. Step 2: Convert to fraction form
   283,593.50/439,332 = 439,332/x
3. Step 3: Cross multiply
   283,593.50x = 439,332 × 439,332
4. Step 4: Simplify right side
   283,593.50x = 193,012,606,224
5. Step 5: Solve for x
   x = 193,012,606,224/283,593.50
6. Step 6: Final answer
   x = 680,596.02