Finding the Third Proportional to 39,991.25 and 92,581.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,991.25 : 92,581.50 = 92,581.50 : x
2. Step 2: Convert to fraction form
   39,991.25/92,581.50 = 92,581.50/x
3. Step 3: Cross multiply
   39,991.25x = 92,581.50 × 92,581.50
4. Step 4: Simplify right side
   39,991.25x = 8,571,334,142.25
5. Step 5: Solve for x
   x = 8,571,334,142.25/39,991.25
6. Step 6: Final answer
   x = 214,330.24