Finding the Third Proportional to 56,947.50 and 86,826

Step by Step Solution

1. Step 1: Write the proportion equation
   56,947.50 : 86,826 = 86,826 : x
2. Step 2: Convert to fraction form
   56,947.50/86,826 = 86,826/x
3. Step 3: Cross multiply
   56,947.50x = 86,826 × 86,826
4. Step 4: Simplify right side
   56,947.50x = 7,538,754,276
5. Step 5: Solve for x
   x = 7,538,754,276/56,947.50
6. Step 6: Final answer
   x = 132,380.78