Finding the Third Proportional to 57,499.50 and 80,574

Step by Step Solution

1. Step 1: Write the proportion equation
   57,499.50 : 80,574 = 80,574 : x
2. Step 2: Convert to fraction form
   57,499.50/80,574 = 80,574/x
3. Step 3: Cross multiply
   57,499.50x = 80,574 × 80,574
4. Step 4: Simplify right side
   57,499.50x = 6,492,169,476
5. Step 5: Solve for x
   x = 6,492,169,476/57,499.50
6. Step 6: Final answer
   x = 112,908.28