Finding the Third Proportional to 19,407.50 and 42,367

Step by Step Solution

1. Step 1: Write the proportion equation
   19,407.50 : 42,367 = 42,367 : x
2. Step 2: Convert to fraction form
   19,407.50/42,367 = 42,367/x
3. Step 3: Cross multiply
   19,407.50x = 42,367 × 42,367
4. Step 4: Simplify right side
   19,407.50x = 1,794,962,689
5. Step 5: Solve for x
   x = 1,794,962,689/19,407.50
6. Step 6: Final answer
   x = 92,488.09