Finding the Third Proportional to 46,890 and 100,579.50

Step by Step Solution

1. Step 1: Write the proportion equation
   46,890 : 100,579.50 = 100,579.50 : x
2. Step 2: Convert to fraction form
   46,890/100,579.50 = 100,579.50/x
3. Step 3: Cross multiply
   46,890x = 100,579.50 × 100,579.50
4. Step 4: Simplify right side
   46,890x = 10,116,235,820.25
5. Step 5: Solve for x
   x = 10,116,235,820.25/46,890
6. Step 6: Final answer
   x = 215,743.99