Finding the Third Proportional to 99,215 and 234,162

Step by Step Solution

1. Step 1: Write the proportion equation
   99,215 : 234,162 = 234,162 : x
2. Step 2: Convert to fraction form
   99,215/234,162 = 234,162/x
3. Step 3: Cross multiply
   99,215x = 234,162 × 234,162
4. Step 4: Simplify right side
   99,215x = 54,831,842,244
5. Step 5: Solve for x
   x = 54,831,842,244/99,215
6. Step 6: Final answer
   x = 552,656.78