Finding the Third Proportional to 99,144 and 153,900

Step by Step Solution

1. Step 1: Write the proportion equation
   99,144 : 153,900 = 153,900 : x
2. Step 2: Convert to fraction form
   99,144/153,900 = 153,900/x
3. Step 3: Cross multiply
   99,144x = 153,900 × 153,900
4. Step 4: Simplify right side
   99,144x = 23,685,210,000
5. Step 5: Solve for x
   x = 23,685,210,000/99,144
6. Step 6: Final answer
   x = 238,897.06