Finding the Third Proportional to 17,820.50 and 38,465.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,820.50 : 38,465.50 = 38,465.50 : x
2. Step 2: Convert to fraction form
   17,820.50/38,465.50 = 38,465.50/x
3. Step 3: Cross multiply
   17,820.50x = 38,465.50 × 38,465.50
4. Step 4: Simplify right side
   17,820.50x = 1,479,594,690.25
5. Step 5: Solve for x
   x = 1,479,594,690.25/17,820.50
6. Step 6: Final answer
   x = 83,027.68