Finding the Third Proportional to 19,513.50 and 41,985.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,513.50 : 41,985.50 = 41,985.50 : x
2. Step 2: Convert to fraction form
   19,513.50/41,985.50 = 41,985.50/x
3. Step 3: Cross multiply
   19,513.50x = 41,985.50 × 41,985.50
4. Step 4: Simplify right side
   19,513.50x = 1,762,782,210.25
5. Step 5: Solve for x
   x = 1,762,782,210.25/19,513.50
6. Step 6: Final answer
   x = 90,336.55