Finding the Third Proportional to 99,548.50 and 154,138

Step by Step Solution

1. Step 1: Write the proportion equation
   99,548.50 : 154,138 = 154,138 : x
2. Step 2: Convert to fraction form
   99,548.50/154,138 = 154,138/x
3. Step 3: Cross multiply
   99,548.50x = 154,138 × 154,138
4. Step 4: Simplify right side
   99,548.50x = 23,758,523,044
5. Step 5: Solve for x
   x = 23,758,523,044/99,548.50
6. Step 6: Final answer
   x = 238,662.79