Finding the Third Proportional to 198,665 and 433,030

Step by Step Solution

1. Step 1: Write the proportion equation
   198,665 : 433,030 = 433,030 : x
2. Step 2: Convert to fraction form
   198,665/433,030 = 433,030/x
3. Step 3: Cross multiply
   198,665x = 433,030 × 433,030
4. Step 4: Simplify right side
   198,665x = 187,514,980,900
5. Step 5: Solve for x
   x = 187,514,980,900/198,665
6. Step 6: Final answer
   x = 943,875.27