Finding the Third Proportional to 57,719.50 and 90,224

Step by Step Solution

1. Step 1: Write the proportion equation
   57,719.50 : 90,224 = 90,224 : x
2. Step 2: Convert to fraction form
   57,719.50/90,224 = 90,224/x
3. Step 3: Cross multiply
   57,719.50x = 90,224 × 90,224
4. Step 4: Simplify right side
   57,719.50x = 8,140,370,176
5. Step 5: Solve for x
   x = 8,140,370,176/57,719.50
6. Step 6: Final answer
   x = 141,033.28