Finding the Third Proportional to 39,926.50 and 59,890.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,926.50 : 59,890.75 = 59,890.75 : x
2. Step 2: Convert to fraction form
   39,926.50/59,890.75 = 59,890.75/x
3. Step 3: Cross multiply
   39,926.50x = 59,890.75 × 59,890.75
4. Step 4: Simplify right side
   39,926.50x = 3,586,901,935.56
5. Step 5: Solve for x
   x = 3,586,901,935.56/39,926.50
6. Step 6: Final answer
   x = 89,837.63