Finding the Third Proportional to 99,442.50 and 154,188

Step by Step Solution

1. Step 1: Write the proportion equation
   99,442.50 : 154,188 = 154,188 : x
2. Step 2: Convert to fraction form
   99,442.50/154,188 = 154,188/x
3. Step 3: Cross multiply
   99,442.50x = 154,188 × 154,188
4. Step 4: Simplify right side
   99,442.50x = 23,773,939,344
5. Step 5: Solve for x
   x = 23,773,939,344/99,442.50
6. Step 6: Final answer
   x = 239,072.22