Finding the Third Proportional to 99,558 and 214,949.25

Step by Step Solution

1. Step 1: Write the proportion equation
   99,558 : 214,949.25 = 214,949.25 : x
2. Step 2: Convert to fraction form
   99,558/214,949.25 = 214,949.25/x
3. Step 3: Cross multiply
   99,558x = 214,949.25 × 214,949.25
4. Step 4: Simplify right side
   99,558x = 46,203,180,075.56
5. Step 5: Solve for x
   x = 46,203,180,075.56/99,558
6. Step 6: Final answer
   x = 464,083.05