Finding the Third Proportional to 42,767 and 99,111

Step by Step Solution

1. Step 1: Write the proportion equation
   42,767 : 99,111 = 99,111 : x
2. Step 2: Convert to fraction form
   42,767/99,111 = 99,111/x
3. Step 3: Cross multiply
   42,767x = 99,111 × 99,111
4. Step 4: Simplify right side
   42,767x = 9,822,990,321
5. Step 5: Solve for x
   x = 9,822,990,321/42,767
6. Step 6: Final answer
   x = 229,686.21