Finding the Third Proportional to 99,826 and 145,835

Step by Step Solution

1. Step 1: Write the proportion equation
   99,826 : 145,835 = 145,835 : x
2. Step 2: Convert to fraction form
   99,826/145,835 = 145,835/x
3. Step 3: Cross multiply
   99,826x = 145,835 × 145,835
4. Step 4: Simplify right side
   99,826x = 21,267,847,225
5. Step 5: Solve for x
   x = 21,267,847,225/99,826
6. Step 6: Final answer
   x = 213,049.18