Finding the Third Proportional to 49,443.50 and 102,390

Step by Step Solution

1. Step 1: Write the proportion equation
   49,443.50 : 102,390 = 102,390 : x
2. Step 2: Convert to fraction form
   49,443.50/102,390 = 102,390/x
3. Step 3: Cross multiply
   49,443.50x = 102,390 × 102,390
4. Step 4: Simplify right side
   49,443.50x = 10,483,712,100
5. Step 5: Solve for x
   x = 10,483,712,100/49,443.50
6. Step 6: Final answer
   x = 212,034.18