Finding the Third Proportional to 222,413 and 489,097.50

Step by Step Solution

1. Step 1: Write the proportion equation
   222,413 : 489,097.50 = 489,097.50 : x
2. Step 2: Convert to fraction form
   222,413/489,097.50 = 489,097.50/x
3. Step 3: Cross multiply
   222,413x = 489,097.50 × 489,097.50
4. Step 4: Simplify right side
   222,413x = 239,216,364,506.25
5. Step 5: Solve for x
   x = 239,216,364,506.25/222,413
6. Step 6: Final answer
   x = 1,075,550.28