Finding the Third Proportional to 198,474 and 432,634.50

Step by Step Solution

1. Step 1: Write the proportion equation
   198,474 : 432,634.50 = 432,634.50 : x
2. Step 2: Convert to fraction form
   198,474/432,634.50 = 432,634.50/x
3. Step 3: Cross multiply
   198,474x = 432,634.50 × 432,634.50
4. Step 4: Simplify right side
   198,474x = 187,172,610,590.25
5. Step 5: Solve for x
   x = 187,172,610,590.25/198,474
6. Step 6: Final answer
   x = 943,058.59