Finding the Third Proportional to 46,323 and 99,990

Step by Step Solution

1. Step 1: Write the proportion equation
   46,323 : 99,990 = 99,990 : x
2. Step 2: Convert to fraction form
   46,323/99,990 = 99,990/x
3. Step 3: Cross multiply
   46,323x = 99,990 × 99,990
4. Step 4: Simplify right side
   46,323x = 9,998,000,100
5. Step 5: Solve for x
   x = 9,998,000,100/46,323
6. Step 6: Final answer
   x = 215,832.31