Finding the Third Proportional to 17,919.50 and 35,397.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,919.50 : 35,397.50 = 35,397.50 : x
2. Step 2: Convert to fraction form
   17,919.50/35,397.50 = 35,397.50/x
3. Step 3: Cross multiply
   17,919.50x = 35,397.50 × 35,397.50
4. Step 4: Simplify right side
   17,919.50x = 1,252,983,006.25
5. Step 5: Solve for x
   x = 1,252,983,006.25/17,919.50
6. Step 6: Final answer
   x = 69,922.88