Finding the Third Proportional to 99,775.50 and 154,910

Step by Step Solution

1. Step 1: Write the proportion equation
   99,775.50 : 154,910 = 154,910 : x
2. Step 2: Convert to fraction form
   99,775.50/154,910 = 154,910/x
3. Step 3: Cross multiply
   99,775.50x = 154,910 × 154,910
4. Step 4: Simplify right side
   99,775.50x = 23,997,108,100
5. Step 5: Solve for x
   x = 23,997,108,100/99,775.50
6. Step 6: Final answer
   x = 240,511.03