Finding the Third Proportional to 418,449 and 608,233.50

Step by Step Solution

1. Step 1: Write the proportion equation
   418,449 : 608,233.50 = 608,233.50 : x
2. Step 2: Convert to fraction form
   418,449/608,233.50 = 608,233.50/x
3. Step 3: Cross multiply
   418,449x = 608,233.50 × 608,233.50
4. Step 4: Simplify right side
   418,449x = 369,947,990,522.25
5. Step 5: Solve for x
   x = 369,947,990,522.25/418,449
6. Step 6: Final answer
   x = 884,093.38