Finding the Third Proportional to 19,386 and 41,866.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,386 : 41,866.50 = 41,866.50 : x
2. Step 2: Convert to fraction form
   19,386/41,866.50 = 41,866.50/x
3. Step 3: Cross multiply
   19,386x = 41,866.50 × 41,866.50
4. Step 4: Simplify right side
   19,386x = 1,752,803,822.25
5. Step 5: Solve for x
   x = 1,752,803,822.25/19,386
6. Step 6: Final answer
   x = 90,415.96