Finding the Third Proportional to 51,328.50 and 76,783.50

Step by Step Solution

1. Step 1: Write the proportion equation
   51,328.50 : 76,783.50 = 76,783.50 : x
2. Step 2: Convert to fraction form
   51,328.50/76,783.50 = 76,783.50/x
3. Step 3: Cross multiply
   51,328.50x = 76,783.50 × 76,783.50
4. Step 4: Simplify right side
   51,328.50x = 5,895,705,872.25
5. Step 5: Solve for x
   x = 5,895,705,872.25/51,328.50
6. Step 6: Final answer
   x = 114,862.23