Finding the Third Proportional to 99,610.50 and 148,005

Step by Step Solution

1. Step 1: Write the proportion equation
   99,610.50 : 148,005 = 148,005 : x
2. Step 2: Convert to fraction form
   99,610.50/148,005 = 148,005/x
3. Step 3: Cross multiply
   99,610.50x = 148,005 × 148,005
4. Step 4: Simplify right side
   99,610.50x = 21,905,480,025
5. Step 5: Solve for x
   x = 21,905,480,025/99,610.50
6. Step 6: Final answer
   x = 219,911.35