Finding the Third Proportional to 49,990.50 and 102,807

Step by Step Solution

1. Step 1: Write the proportion equation
   49,990.50 : 102,807 = 102,807 : x
2. Step 2: Convert to fraction form
   49,990.50/102,807 = 102,807/x
3. Step 3: Cross multiply
   49,990.50x = 102,807 × 102,807
4. Step 4: Simplify right side
   49,990.50x = 10,569,279,249
5. Step 5: Solve for x
   x = 10,569,279,249/49,990.50
6. Step 6: Final answer
   x = 211,425.76