Finding the Third Proportional to 99,387 and 154,062

Step by Step Solution

1. Step 1: Write the proportion equation
   99,387 : 154,062 = 154,062 : x
2. Step 2: Convert to fraction form
   99,387/154,062 = 154,062/x
3. Step 3: Cross multiply
   99,387x = 154,062 × 154,062
4. Step 4: Simplify right side
   99,387x = 23,735,099,844
5. Step 5: Solve for x
   x = 23,735,099,844/99,387
6. Step 6: Final answer
   x = 238,814.93