Finding the Third Proportional to 43,285.50 and 55,359.50

Step by Step Solution

1. Step 1: Write the proportion equation
   43,285.50 : 55,359.50 = 55,359.50 : x
2. Step 2: Convert to fraction form
   43,285.50/55,359.50 = 55,359.50/x
3. Step 3: Cross multiply
   43,285.50x = 55,359.50 × 55,359.50
4. Step 4: Simplify right side
   43,285.50x = 3,064,674,240.25
5. Step 5: Solve for x
   x = 3,064,674,240.25/43,285.50
6. Step 6: Final answer
   x = 70,801.41