Finding the Third Proportional to 99,555 and 154,152

Step by Step Solution

1. Step 1: Write the proportion equation
   99,555 : 154,152 = 154,152 : x
2. Step 2: Convert to fraction form
   99,555/154,152 = 154,152/x
3. Step 3: Cross multiply
   99,555x = 154,152 × 154,152
4. Step 4: Simplify right side
   99,555x = 23,762,839,104
5. Step 5: Solve for x
   x = 23,762,839,104/99,555
6. Step 6: Final answer
   x = 238,690.56