Finding the Third Proportional to 49,903.50 and 76,920.75

Step by Step Solution

1. Step 1: Write the proportion equation
   49,903.50 : 76,920.75 = 76,920.75 : x
2. Step 2: Convert to fraction form
   49,903.50/76,920.75 = 76,920.75/x
3. Step 3: Cross multiply
   49,903.50x = 76,920.75 × 76,920.75
4. Step 4: Simplify right side
   49,903.50x = 5,916,801,780.56
5. Step 5: Solve for x
   x = 5,916,801,780.56/49,903.50
6. Step 6: Final answer
   x = 118,564.87