Finding the Third Proportional to 34,280.50 and 51,786

Step by Step Solution

1. Step 1: Write the proportion equation
   34,280.50 : 51,786 = 51,786 : x
2. Step 2: Convert to fraction form
   34,280.50/51,786 = 51,786/x
3. Step 3: Cross multiply
   34,280.50x = 51,786 × 51,786
4. Step 4: Simplify right side
   34,280.50x = 2,681,789,796
5. Step 5: Solve for x
   x = 2,681,789,796/34,280.50
6. Step 6: Final answer
   x = 78,230.77