Finding the Third Proportional to 418,162.50 and 890,271

Step by Step Solution

1. Step 1: Write the proportion equation
   418,162.50 : 890,271 = 890,271 : x
2. Step 2: Convert to fraction form
   418,162.50/890,271 = 890,271/x
3. Step 3: Cross multiply
   418,162.50x = 890,271 × 890,271
4. Step 4: Simplify right side
   418,162.50x = 792,582,453,441
5. Step 5: Solve for x
   x = 792,582,453,441/418,162.50
6. Step 6: Final answer
   x = 1,895,393.43