Finding the Third Proportional to 17,218 and 37,711.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,218 : 37,711.50 = 37,711.50 : x
2. Step 2: Convert to fraction form
   17,218/37,711.50 = 37,711.50/x
3. Step 3: Cross multiply
   17,218x = 37,711.50 × 37,711.50
4. Step 4: Simplify right side
   17,218x = 1,422,157,232.25
5. Step 5: Solve for x
   x = 1,422,157,232.25/17,218
6. Step 6: Final answer
   x = 82,597.12