Finding the Third Proportional to 42,653 and 99,155

Step by Step Solution

1. Step 1: Write the proportion equation
   42,653 : 99,155 = 99,155 : x
2. Step 2: Convert to fraction form
   42,653/99,155 = 99,155/x
3. Step 3: Cross multiply
   42,653x = 99,155 × 99,155
4. Step 4: Simplify right side
   42,653x = 9,831,714,025
5. Step 5: Solve for x
   x = 9,831,714,025/42,653
6. Step 6: Final answer
   x = 230,504.63