Finding the Third Proportional to 198,624 and 453,788

Step by Step Solution

1. Step 1: Write the proportion equation
   198,624 : 453,788 = 453,788 : x
2. Step 2: Convert to fraction form
   198,624/453,788 = 453,788/x
3. Step 3: Cross multiply
   198,624x = 453,788 × 453,788
4. Step 4: Simplify right side
   198,624x = 205,923,548,944
5. Step 5: Solve for x
   x = 205,923,548,944/198,624
6. Step 6: Final answer
   x = 1,036,750.59