Finding the Third Proportional to 40,310.25 and 83,890.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,310.25 : 83,890.50 = 83,890.50 : x
2. Step 2: Convert to fraction form
   40,310.25/83,890.50 = 83,890.50/x
3. Step 3: Cross multiply
   40,310.25x = 83,890.50 × 83,890.50
4. Step 4: Simplify right side
   40,310.25x = 7,037,615,990.25
5. Step 5: Solve for x
   x = 7,037,615,990.25/40,310.25
6. Step 6: Final answer
   x = 174,586.27