Finding the Third Proportional to 90,907.50 and 194,451

Step by Step Solution

1. Step 1: Write the proportion equation
   90,907.50 : 194,451 = 194,451 : x
2. Step 2: Convert to fraction form
   90,907.50/194,451 = 194,451/x
3. Step 3: Cross multiply
   90,907.50x = 194,451 × 194,451
4. Step 4: Simplify right side
   90,907.50x = 37,811,191,401
5. Step 5: Solve for x
   x = 37,811,191,401/90,907.50
6. Step 6: Final answer
   x = 415,930.38