Finding the Third Proportional to 99,547.50 and 154,136.25

Step by Step Solution

1. Step 1: Write the proportion equation
   99,547.50 : 154,136.25 = 154,136.25 : x
2. Step 2: Convert to fraction form
   99,547.50/154,136.25 = 154,136.25/x
3. Step 3: Cross multiply
   99,547.50x = 154,136.25 × 154,136.25
4. Step 4: Simplify right side
   99,547.50x = 23,757,983,564.06
5. Step 5: Solve for x
   x = 23,757,983,564.06/99,547.50
6. Step 6: Final answer
   x = 238,659.77