Finding the Third Proportional to 48,128.50 and 99,325.50

Step by Step Solution

1. Step 1: Write the proportion equation
   48,128.50 : 99,325.50 = 99,325.50 : x
2. Step 2: Convert to fraction form
   48,128.50/99,325.50 = 99,325.50/x
3. Step 3: Cross multiply
   48,128.50x = 99,325.50 × 99,325.50
4. Step 4: Simplify right side
   48,128.50x = 9,865,554,950.25
5. Step 5: Solve for x
   x = 9,865,554,950.25/48,128.50
6. Step 6: Final answer
   x = 204,983.64