Finding the Third Proportional to 17,812.50 and 38,479.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,812.50 : 38,479.50 = 38,479.50 : x
2. Step 2: Convert to fraction form
   17,812.50/38,479.50 = 38,479.50/x
3. Step 3: Cross multiply
   17,812.50x = 38,479.50 × 38,479.50
4. Step 4: Simplify right side
   17,812.50x = 1,480,671,920.25
5. Step 5: Solve for x
   x = 1,480,671,920.25/17,812.50
6. Step 6: Final answer
   x = 83,125.44